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	<channel>
		<title>天堂坊</title>
		<link>http://jiameng55.blog.sohu.com/</link>
		<description><![CDATA[天堂坊]]></description>
		<pubDate>Sat, 6 Jan 2007 10:06:44 +0800</pubDate>
		<generator>搜狐博客</generator>
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			<description>搜狐博客</description>
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		<item>
			<title>苦恼</title>
			<link>http://jiameng55.blog.sohu.com/28541515.html</link>
			<comments>http://jiameng55.blog.sohu.com/28541515.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Sat, 6 Jan 2007 10:06:44 +0800</pubDate>
			<guid>http://jiameng55.blog.sohu.com/28541515.html</guid>
			<description><![CDATA[<p>每次提起电话，播起熟悉的号码，都免不了一阵子的茫然。</p>
<p>很久时间了，也不知道自己是不是依旧有感觉，抑或者就只是想连战所说的一种愿景而已。怎么办？</p>
<p>对方接起电话，轻轻的回音：&ldquo;你好&rdquo;</p>
<p>&ldquo;呵呵，最近忙不?&quot;</p>
<p>&ldquo;还行，...&rdquo;</p>
<p>...</p>
<p>接下了就是漫无边际的沉默，彼此都不知道该说些什么，只好惜然放下电话，郁然不知所以。</p>
<p>很久以前认为自己已经放弃了这段感情，呵呵！却不料想依旧这么没出息，依旧关心她的一举一动，为她的喜怒哀乐所牵引，真是的啊</p>]]></description>
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		<item>
			<title>正在网吧包宿</title>
			<link>http://jiameng55.blog.sohu.com/27637192.html</link>
			<comments>http://jiameng55.blog.sohu.com/27637192.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Sun, 31 Dec 2006 02:16:46 +0800</pubDate>
			<guid>http://jiameng55.blog.sohu.com/27637192.html</guid>
			<description><![CDATA[<p>我的元旦提前了。</p>
<p>我们今天放假，所以我给自己放假了，提前过元旦，我们进入了传说中的冬令时，呵呵。</p>
<p>现在就是2007年了（在我的定义中），呵呵，新年新气象阿，坐在网吧里包宿，迎接新的一年，畅想着明年要干些啥事，还是比较爽的，就是有点累。</p>
<p>今天为了迎接新的一年，我打了两个小时的羽毛球，有点要死的感觉，不过心里舒服，挺好的，呵呵！</p>
<p>天津今天下雪了，来到天津三年可谓是第一次看到这么大的雪，去年有一次，不过我回家了，所以不算见到。我和一个同学在新开湖上溜达，打赌看谁敢走到湖的对面去，湖上一个脚印也么有，很是有挑战性的。我们刚走到湖中央，就看见对面的一个女孩朝着我们喊：&ldquo;小心啊，危险！&rdquo;心理竟然升起一股感激，呵呵，好久没有人这么给我说话了！</p>
<p>不过还是往前走，快走到了，湖岸近在咫尺，就听见水面上的冰在嘎吱嘎吱的响，吓死我了。</p>
<p>不过还是走到了。我们上岸后，回头看见一对爱人正将要走过我们刚才的&ldquo;危险之地&rdquo;，他们大概是也听见水面下面的冰响，两人竟然吓得不动了。</p>
<p>&ldquo;赶紧走啊，脚步轻点，你们那样太危险了&rdquo;我提示道，呵呵！</p>
<p>银装素裹中，万物变的十分的纯洁，人们好像也都除去了往日的虚伪和尘垢，一个个都看上去那么圣洁，漂亮，我想！</p>
<p>新年的最后一天赶上这么一场大雪，洗尽了世间一切的尘埃，让我们都干干净净的跨入2007，以洁净，以及一尘不染的心态迎接未来，这是上天给我们的恩惠，给人世的福泽，我们一定要珍惜。</p>]]></description>
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		<item>
			<title>重装电脑</title>
			<link>http://jiameng55.blog.sohu.com/27436834.html</link>
			<comments>http://jiameng55.blog.sohu.com/27436834.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Fri, 29 Dec 2006 21:59:44 +0800</pubDate>
			<guid>http://jiameng55.blog.sohu.com/27436834.html</guid>
			<description><![CDATA[<p>昨天晚上真够幸运的，电脑中毒了！</p>
<p>主要症状：起先是任务管理器里面有两个lsass，和smss。</p>
<p>虽然网上说这玩意是病毒，但是鉴于它一向本分，又没对我的日常生活造成危害，所以就让它存活至今。谁知昨天打开电脑发现所有的exe文件的头像都变样了，并且什么的魔兽，word都成了废物：同学建议我用赛门铁克杀毒，但是根本没法打开。气死了！</p>
<p>最后终极大招，重装！</p>
<p>...</p>
<p>几个小时后，xp安装完毕，大功告成。</p>
<p>why？还不行，一看魔兽以及其他exe文件都是原样，图象依旧那么的个性，进程里的lsass和smss依旧张牙舞爪的对着我狞笑：小样，玩死你！</p>
<p>这可怎么办啊，重装也不顶事，于是在网上找那些杀毒的程序，可是难度太大，我看不懂，这下可gogo了。</p>
<p>&ldquo;算了，全隔了吧&rdquo;一位同学劝我。</p>
<p>...我的柯南，我的剑心...我舍不得删啊，这可是多年的心血啊，要命啊，想我的柯南，那可是我东求西借，凑出来的，还有郭德钢德相声，我敢说最全的。想刻录吧，又怕吧别人也给感染了...心里真有点流血的样子。</p>
<p>电脑正在提示：是否格式化？看着Y和N，心里那个酸啊，真丫的倒霉...</p>
<p>终于装好了，电脑里面一片一片片空白，落得个白茫茫大地真干净。</p>
<p>还得下offic，魔兽...唉！又得熬夜了，晕死了。</p>
<p>&nbsp;</p>]]></description>
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		<item>
			<title>今天挨批了</title>
			<link>http://jiameng55.blog.sohu.com/27033616.html</link>
			<comments>http://jiameng55.blog.sohu.com/27033616.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Tue, 26 Dec 2006 23:18:52 +0800</pubDate>
			<guid>http://jiameng55.blog.sohu.com/27033616.html</guid>
			<description><![CDATA[<p>今天重温了一次高中生活,呵呵,挺逗!</p>
<p>破天荒的第一次这么早起来,发现:妈的,天怎么这么冷!隔壁同学飘来一句:&quot;小样,第一次七点起来吧,十年前就这么冷了,白痴!&quot;气死了!</p>
<p>天色有点暗,一伙人杀去教室,看着老师在那里沉醉于自己的物理天地,眼皮不禁发沉:好几次脑袋都和桌面亲密接触了.</p>
<p>好容易熬完了,去上cc.&quot;我给大家三分钟时间,一会我有点事!&quot;头儿来了.</p>
<p>&quot;...我这么辛苦是为了什么...&quot;咦!怎么这么耳熟,是初中老师的口头禅,&quot;...你们不负责...&quot;</p>
<p>我的天,哥哥!我们可是大学生,别玩了,会死人的...</p>
<p>&quot;...我这是为你们好...&quot;</p>
<p>我又成了高中生,真好!</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>]]></description>
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		<item>
			<title>六级之后</title>
			<link>http://jiameng55.blog.sohu.com/26614047.html</link>
			<comments>http://jiameng55.blog.sohu.com/26614047.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Sun, 24 Dec 2006 13:46:01 +0800</pubDate>
			<category>原汁原味</category>
			<guid>http://jiameng55.blog.sohu.com/26614047.html</guid>
			<description><![CDATA[<p>昨天六级搞屁股了,感觉很爽,虽然答的不怎么的,没几个单词认识.可是毕竟是考完了,呵呵^_^.</p>
<p>六级完了还有一门恐怖的考试,那就是数学文化,一门E类课(人家老师要求闭卷,)这可苦了寡人了,什么都不会,今天早上,很早就起来连床都没敢下窝在床上对着的顾老师的ppt进行参考,一踏糊涂:什么的中国剩余定离理拉,什么卢斯卡数列了,又加上费马大定理,估计要死人了/.</p>
<p>下午就要考了,呵呵,怎么样呢?拭目以待</p>]]></description>
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		<item>
			<title>人家说冬至要吃饺子</title>
			<link>http://jiameng55.blog.sohu.com/26385453.html</link>
			<comments>http://jiameng55.blog.sohu.com/26385453.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Sat, 23 Dec 2006 00:14:17 +0800</pubDate>
			<category>原汁原味</category>
			<guid>http://jiameng55.blog.sohu.com/26385453.html</guid>
			<description><![CDATA[<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;冬至吃饺子</p>
<p>今天冬至,大家都说今天要吃饺子.</p>
<p>听老妈说,吃饺子是为了防治来年耳朵被冻掉.可是我没吃,第一是因为本人过于勤奋;第二呢我们学校附近的饺子却是不怎么的,我也怕在里面吃出手指甲,这也就难登大雅之堂了,呵呵.</p>
<p>于是问题就来了,没吃饺子,万一耳朵被冻掉怎么办,于是想起小时候带着那种解放军戴的那种棉帽,估计那玩意好使,我真是太聪明了.呵呵</p>
<p>明天要考六级了,bless 自己吧,呵呵</p>]]></description>
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		<item>
			<title>由高考答题卡想到的(二）</title>
			<link>http://jiameng55.blog.sohu.com/18325822.html</link>
			<comments>http://jiameng55.blog.sohu.com/18325822.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Thu, 26 Oct 2006 21:33:15 +0800</pubDate>
			<category>愉悦之心</category>
			<guid>http://jiameng55.blog.sohu.com/18325822.html</guid>
			<description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 由高考答题卡想到的(二）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">回头再看重物镑问题：&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312">=</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">c</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">；<span>c</span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&isin;<span>{0,1</span></span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">},</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;&isin;<span>{0,1,-1}</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">易知<span></span></span></p>
<p><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">Ⅰ）</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">还必须为<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">Ⅱ）</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>3</span>＝<span>2</span><span style="FONT-SIZE: 22pt">a</span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>5</span>＝<span>2</span>（</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">）＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>2</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>7</span>＝<span>2</span>（</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">）＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>3</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>9</span>＝<span>2</span>（</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">）＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">...</span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">由此可知<span><span style="mso-spacerun: yes">&nbsp; </span></span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i+1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>2</span>&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">也就是说，只要自然数数列<span>{</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">满足</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i+1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>2</span>&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span>，那么便可由式&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">表示出<span>0</span>～&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">内的任何整数，&lambda;&isin;<span>{0,1</span>，－<span>1}</span>。<sup><span></span></sup></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">现在我们写出<span>{</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，使得其中的数都是最大的：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，<span>3</span>，<span>9</span>，<span>27</span></span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">3</span><sup><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">n</span></sup><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">;</span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">它们是以<span>1</span>为首项，以<span>3</span>为公比的等比数列。<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">下面是对两个题的分析：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: 楷体_GB2312"><span style="mso-list: Ignore">1，<span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;的取值问题，当&lambda;只能取－<span>1</span>，或<span>{0,-1}</span>时，本题就无从说起，那么说，&lambda;的取值应该要满足&sum;&lambda;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 楷体_GB2312">&gt;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">0</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">2,<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当&lambda;&isin;<span>{0,1}</span>，为两个值时，数列为以<span>1</span>为首项，以<span>2</span>为公比的等比数列。<span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当&lambda;&isin;<span>{0,1</span>，－<span>1}</span>，为三个值时，数列为是以<span>1</span>为首以<span>3</span>为公比的等比数列。<span> </span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">那么就有如下推论，<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">推论一：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当&lambda;&isin;<span>{0,</span>－<span>1</span>，＋<span>1</span>，</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">－</span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">,+</span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">时，所求数列最大为<span>{(2</span></span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+1)</span><sup><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">i</span></sup><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">。<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当&lambda;&isin;<span>{0,</span>－<span>1</span>，＋<span>1</span>，</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"> +</span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">时，所求数列最大为<span>{(2</span></span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">)</span><sup><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">i</span></sup><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">。<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">推论二：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">任何整数都能分为</span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">个整数份，从而能利用&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;<span>n</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">表示出<span>0</span>～&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">内的任何整数。<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">这样我们不妨在近一步，得出推论三：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">对任一无穷数列<span>{</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，总有一无穷数列<span>{</span>&lambda;</span><span style="FONT-FAMILY: 楷体_GB2312; mso-bidi-font-size: 10.5pt">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">},</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">使得&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312; mso-ascii-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;<span>n</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">表示出<span>0</span>～&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">内的任何实数。<span></span></span></p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">上述推论二，三的正确性还待证明。</span>]]></description>
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		<item>
			<title>由高考答题卡想到的</title>
			<link>http://jiameng55.blog.sohu.com/18325524.html</link>
			<comments>http://jiameng55.blog.sohu.com/18325524.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Thu, 26 Oct 2006 21:31:18 +0800</pubDate>
			<category>愉悦之心</category>
			<guid>http://jiameng55.blog.sohu.com/18325524.html</guid>
			<description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span><span style="FONT-SIZE: 16pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">由高考答题卡想到的（一）</span><span style="FONT-SIZE: 16pt; mso-fareast-font-family: 楷体_GB2312"></span> 
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">在高中时，经常在使用高考答题卡涂写自己考号学号的时候，会发现一个有趣的现象：答题卡上每一列都有四个数字：</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">，</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">，</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">，</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">4</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">。奇妙的是这四个数能表示</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">～</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">10</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">内的任何自然数，并且</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">＋</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">＋</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">＋</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">4</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">＝</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">10</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">。</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312"></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">我们在来看又一个问题：一个</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">40</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">镑的重物被摔为四块，要求用这四块小重物可以秤量</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">～</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312">40</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">以内的任何整数重量，问：这四块的重量各为多少？</span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312"></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">现将答题卡问题记录如下：</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">Ⅰ式<span>)</span></span><span style="FONT-SIZE: 14pt; mso-fareast-font-family: 楷体_GB2312"></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312">=</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">c </span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">;</span><span style="FONT-SIZE: 18pt; FONT-FAMILY: 楷体_GB2312"> </span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">c</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&isin;<span>{0,1</span></span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">10},</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;&isin;<span>{0,1}</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">而重物镑的问题：Ⅱ式<span>)</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312">=</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">c</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">；<span>c</span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&isin;<span>{0,1</span></span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">},</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;&isin;<span>{0,1,-1}</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312"> </span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">分析</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">Ⅰ式，假设有一有序数列<span>{</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 15pt; FONT-FAMILY: 楷体_GB2312">n</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，要求</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">&le;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i+1,</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">且用</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">以及</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">以前的数代入Ⅰ式，让其可是表示<span>1</span>～&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">内的任何整数。<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">那么先看，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">只能取<span>0</span>，<span>1</span>。（然而<span>0</span>毫无意义，故而舍去）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">再看，当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">取<span>1</span>时，<span>1</span>＋<span>1</span>＝<span>2</span>，<span>1</span>，<span>0</span>；<span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span>（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">取<span>2</span>时，<span>1</span>＋<span>2</span>＝<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；<span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span>（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">取<span>3</span>时，<span>1</span>＋<span>3</span>＝<span>4</span>，<span>3</span>，<span>1</span>，<span>0</span>；<span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span>（没有<span>2</span>）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">也就是说，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>2</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">再看，分两种情况<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>时，当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>时，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；<span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span>（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>2</span>时，<span>4</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；<span><span style="mso-spacerun: yes">&nbsp; </span></span>（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>3</span>时，<span>5</span>，<span>4</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>4</span>时，<span>6</span>，<span>5</span>，<span>4</span>，<span>2</span>，<span>1</span>，<span>0</span>；（缺<span>3</span>）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>2</span>时，当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>2</span>时，<span>5</span>，<span>4</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>3</span>时，<span>6</span>，<span>5</span>，<span>4</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>4</span>时，<span>7</span>，<span>6</span>，<span>5</span>，<span>4</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；（满足）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>5</span>时，<span>8</span>，<span>7</span>，<span>6</span>，<span>5</span>，<span>3</span>，<span>2</span>，<span>1</span>，<span>0</span>；（缺<span>4</span>）<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">也就是说</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>4</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">再看，分为六种情况</span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">综上，当</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>2</span>＝</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>3</span>＝</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>1</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＝<span>2</span>，</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;<span>4</span>＝</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span>；<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">由此可知</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i+1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&le;&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">＋<span>1</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">可由式&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">2</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">3</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">+</span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">&lambda;</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">表示出<span>0</span>～&sum;</span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">内的任何整数。&lambda;&isin;<span>{0,1}</span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">现在我们写出<span>{</span></span><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">a</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 楷体_GB2312">i</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">}</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，使得其中的数都是最大的：<span></span></span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">1</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">，<span>2</span>，<span>4</span>，<span>8</span>，</span><span style="FONT-SIZE: 14pt; mso-ascii-font-family: 楷体_GB2312; mso-fareast-font-family: 楷体_GB2312">&hellip;</span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">2</span><sup><span style="FONT-SIZE: 22pt; FONT-FAMILY: 楷体_GB2312">n</span></sup><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">...</span></p>
<p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312">它们是以<span>1</span>为首项，以<span>2</span>为公比的等比数列。<span></span></span></p>
<p>
</p><p><span style="FONT-SIZE: 14pt; FONT-FAMILY: 楷体_GB2312"><span></span></span></p></span></span>&nbsp;<p></p>]]></description>
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			<title>旧照片</title>
			<link>http://jiameng55.blog.sohu.com/17731167.html</link>
			<comments>http://jiameng55.blog.sohu.com/17731167.html#comment</comments>
			<dc:creator>天堂坊</dc:creator>
			<pubDate>Sat, 21 Oct 2006 22:53:03 +0800</pubDate>
			<category>原汁原味</category>
			<guid>http://jiameng55.blog.sohu.com/17731167.html</guid>
			<description><![CDATA[经常怀疑自己是不是生错了年代。 <br />大家都说我比较幼稚，不错，电视剧我喜欢九十年代初的，衣服我喜欢穿规规矩矩的，就连歌我也是那个年代的，什么小虎队，李春波一类的。 <br />有一次闲的没事拿出自己儿时的相册，照片有些发黄，但上面的自己还是蛮清晰的，那会儿我十岁左右吧，是在皇帝庙里面照的！自己和哥哥并排站着，穿着一件黄色小外套，上面绣着那会最流行的小叮当，脚上踏着双黑布鞋：我记得那时我刚玩水回来，布鞋上还是泥。看着自己那会的样子，傻傻的！不过挺舒服的，一脸无知但幸福的样子，那会儿不知道什么是痛苦，没有经历感情的挫折，压根不知道就业的艰难为何物。懵懵懂懂，估计就是幸福了吧！ <br />那会儿的我们很无知，经常为了一部大戏跑十几里的山路。为了吃一锅鲜炖猪肉不惜熬夜熬到午夜三点，其实等肉熟了，我们已经睡的嗷嗷的了。记得那会儿自己经常跟小伙伴们去沟里去，一口气跑下去，跟牛一样趴在山泉边上，狂饮！完了冬天木棍上缠上塑料满野地的点火玩，美其名曰&ldquo;星星之火&rdquo;，一有鼻涕那会儿就是袖子，一抹而过。 <br />那会儿常常因为在外面疯的时间长了而忘写作业，以致于被老师扣下来不让吃早饭。也常常因为吃酸杏，又或着去涝池里玩水而被老妈打屁股。偶尔去偷人家田里玉米烤着吃也会被主人追着满村跑......当下的一切都那么的惬意，自然。 <br />那会儿爱看电视，经常为了看黄金时间的两集电视剧在六点就打开电视机，顺便再看看六点二十的动画片：《高飞家族》，《机器猫》......。那会儿的爱好很是广泛，只要是电视剧我就看。想想现在早就不知道电视为何物，失去儿时对电视的喜爱，虽然常常也看看儿时的经典：《新白娘子传奇》，《好小子》，幻想重温那是的感觉，可惜物是人非，那会儿的耐性早已不复存在，一部电影最多二十分钟搞定，快进键按个不停。 <br />那会儿的我们不懂的名牌，没见过肯德基，一年到底一身黑布衣，手里捧个大馒头足矣；那会儿的我们兜里没有钱，不懂的出去搓饭局，但是我们玩的开心，除了吃饭，睡觉，经常就是二三十个去&ldquo;搞破坏&rdquo;；那会儿的我们相信孙悟空是最厉害的，月宫里真有嫦娥的存在，但是我们就是开心，愉悦。 <br />现在社会飞速发展了，我们也长大了，我们的心智也&ldquo;成熟&rdquo;了，回家时儿时的哥们也不知道去哪了，即使相见也是相视一笑，就算是聚到一块也是麻将，扑克。 <br />唉，社会啊，我们啊！]]></description>
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