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中美洲奥赛题:求和(2星)
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康MM -
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10/09/2009
16:19:52
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By copy and paste
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innercool -
(659 bytes)
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10/10/2009
12:40:42
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Nice!
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乱弹 -
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10/10/2009
18:55:26
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回复:中美洲奥赛题:求和(2星)
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genier7 -
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11/05/2009
00:28:27
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斑斑那,Project Euler怎么样了?
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Commentate -
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10/09/2009
06:37:27
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还在吧。不过我们好久不去了。210题以后就没做了
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康MM -
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10/09/2009
16:24:18
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一道中学的排列组合题
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LyingKing -
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10/07/2009
20:09:26
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组合排列题,forever如履薄冰。
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-闲云野鹤- -
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10/08/2009
09:15:55
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13!/(2!2!2!2!)-9!
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yongcheng3315 -
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10/08/2009
12:04:16
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回复:13!/(2!2!2!2!)-9!
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LyingKing -
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10/08/2009
12:44:50
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回复:一道中学的排列组合题
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恶狼 -
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10/08/2009
13:28:38
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13!/(2!2!2!2!)-4*12!/(2!2!2!)+12*11!/(2!2!)-24*10!/2+24*9!
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恶狼 -
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10/08/2009
13:37:42
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13!/(2!2!2!2!)-4*12!/(2!2!2!)+6*11!/(2!2!)-4*10!/2!+9!
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AceOnRiver -
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11/05/2009
13:53:05
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8341祭
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铁里屋 -
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10/05/2009
07:04:48
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8-3-4-1=0
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jinjing -
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12/11/2009
16:31:41
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8=发达,3=毛,周,朱,4=王,张,江,姚,1=华
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jinjing -
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12/12/2009
06:15:07
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又见彩虹
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贫论元 -
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10/02/2009
13:43:08
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有道理
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说了就走 -
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10/03/2009
11:16:29
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回复:有道理
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贫论元 -
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10/07/2009
19:41:08
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道不道理的阿拉不晓得,阿拉就晓得没淋侬个落汤鸡,就是侬地幸运。
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铁拐鲤 -
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10/03/2009
19:58:13
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回复:又见彩虹
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-闲云野鹤- -
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10/06/2009
06:47:53
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你是竺可桢再世.细想过去科学家的名字很有意思.
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老杨 -
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12/12/2009
07:51:27
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Any solution for this puzzle
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wenru88 -
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10/01/2009
09:17:19
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Is it possible?
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jwhzzj -
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10/06/2009
22:46:25
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回复:Any solution for this puzzle
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softstorm -
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10/08/2009
08:53:57
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STAR only has 5 lines
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wenru88 -
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10/08/2009
09:06:13
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I do not think it has solution either....
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wenru88 -
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10/08/2009
09:04:12
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Each line may not be a straight line.
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newcomer16888 -
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10/08/2009
20:01:08
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Correct
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dayuwang -
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10/09/2009
13:16:29
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but you need 6 lines.
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jwhzzj -
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10/10/2009
13:07:03
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It is possible using the Fano plane
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innercool -
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10/10/2009
14:18:11
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By Fano plane I meant this.
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innercool -
(90 bytes)
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10/11/2009
22:06:33
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Sorry, try again.
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InnerCool -
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10/11/2009
22:08:23
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回复:Any solution for this puzzle
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first_time_landlord -
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10/10/2009
15:32:59
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if curved line allowed
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jwhzzj -
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10/11/2009
10:25:52
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Thanks for the solution........
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wenru88 -
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10/17/2009
10:46:35
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回复:Any solution for this puzzle (图)
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virus9999 -
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11/11/2009
13:04:47
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回复:Any solution for this puzzle
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haha -
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11/14/2009
12:02:03
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24点
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冻凉之才 -
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09/29/2009
11:09:38
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try : 2,4,6,8
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猪兔同龙 -
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09/30/2009
10:34:53
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Agree
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冻凉之才 -
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10/01/2009
08:38:12
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1,6, 8, 10
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火球魔法 -
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09/30/2009
17:13:05
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Don't Agree
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冻凉之才 -
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10/01/2009
08:40:34
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那是因为你too笨了:)
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铁拐鲤 -
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10/03/2009
19:59:46
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16 ways in fact 回复:1,6, 8, 10
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火球魔法 -
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10/01/2009
09:18:43
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Haha, that's fun
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冻凉之才 -
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10/01/2009
09:30:23
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回复:Haha, that's fun
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aisanguo -
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10/01/2009
09:40:47
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回复:回复:Haha, that's fun
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冻凉之才 -
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10/01/2009
09:48:28
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in that case, there could be 11 different cases.
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火球魔法 -
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10/01/2009
21:56:06
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这个厉害,哈哈!
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冻凉之才 -
♂
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10/02/2009
09:21:10
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回复:这个厉害,哈哈!
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火球魔法 -
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10/04/2009
15:35:52
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回复:24点
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haha -
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11/14/2009
11:13:35
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回复:24点 - 2,4,8,10
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haha -
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11/14/2009
11:18:52
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回复:回复:24点 - 2,4,8,10
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haha -
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11/14/2009
11:24:55
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回复:回复:回复:24点 - 2,4,8,10
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haha -
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11/14/2009
11:25:56
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幼儿园超难智力题--粗心的厨子
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生肖迷宫 -
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09/27/2009
11:29:29
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切掉是自己的手指,还是别人的手指?是整个手指,还是部份手指?
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3271963 -
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09/27/2009
16:44:19
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幼儿园出这题,也太血腥了吧。
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想在凡尔赛跳华尔兹 -
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10/01/2009
06:25:48
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Easy Reader Spirit–Wenxuecity Reader Lite 用iphone上文学城
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bit-ware -
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10/01/2009
07:54:35
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本来是七指
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说了就走 -
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10/03/2009
11:26:23
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回复:幼儿园超难智力题--粗心的厨子
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jinhr -
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10/04/2009
20:58:17
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这位是属蜈蚣的?
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牛牛er -
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10/05/2009
05:39:46
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从前切掉5个"指头",not整个手指,今天又切掉一个"手指".
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noway -
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10/09/2009
07:52:49
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回复:幼儿园超难智力题--粗心的厨子
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马小夹 -
♂
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10/19/2009
03:59:19
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幼儿园超难智力题--丢手绢
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生肖迷宫 -
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09/27/2009
11:22:59
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丢手绢游戏要蒙上眼睛,别人不知道他脱光了膀子。
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3271963 -
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09/27/2009
16:47:06
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中美洲奥赛题:过桥(2星)
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康MM -
♀
(110 bytes)
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09/26/2009
12:59:19
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A Try 回复:中美洲奥赛题:过桥(2星)
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火球魔法 -
♂
(15 bytes)
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09/26/2009
14:14:44
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n*2^n
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雪山飞鱼 -
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09/30/2009
10:18:36
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change to n*2^(n+1)
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雪山飞鱼 -
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09/30/2009
10:22:42
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still miss one case, so (n+1)*2^(n+1) is correct.
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雪山飞鱼 -
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09/30/2009
10:27:30
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哈哈
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火球魔法 -
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09/30/2009
10:30:07
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(n-1)!
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momlucky -
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10/12/2009
00:19:50
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回复:中美洲奥赛题:过桥(2星)
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jamtien -
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11/07/2009
16:42:00
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(n-1)*2^(n+1)
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jamtien -
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11/07/2009
16:42:56
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prove or disprove
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yma16 -
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09/26/2009
12:13:48
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One more condition: Some of the terms
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yma16 -
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09/26/2009
12:34:28
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disprove
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火球魔法 -
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09/26/2009
14:16:52
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sorry, there was another condition. pls read it.-eom
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yma16 -
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09/26/2009
15:53:17
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2^log2(0.5)+2^log2(0.5)=1
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说了就走 -
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10/03/2009
11:43:06
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回复:log2(0.5) is -1. The power must be
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yma16 -
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10/03/2009
21:29:13
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It is an open question-do not work on it anymore.
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yma16 -
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10/29/2009
04:56:14
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图片谜公布谜底
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小脑 -
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09/25/2009
22:20:21
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牵强附会,一点意思都没有。
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云雾山中 -
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09/27/2009
06:55:07
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SAP智力题 3-way puzzle ★★★★★★★
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Williamluo -
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09/25/2009
17:45:47
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回复:SAP智力题 3-way puzzle ★★★★★★★
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火球魔法 -
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09/26/2009
14:08:51
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华尔街 Interview Questions, 18+ please
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Kingoftheworld -
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09/23/2009
17:49:46
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make one of them her husband
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九阳 -
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09/23/2009
19:12:39
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回复:华尔街 Interview Questions, 18+ please
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tsrj73 -
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09/24/2009
14:06:26
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Is there a correct answer to this question. Quite a few ambiguit
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TimingIsEverything -
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09/25/2009
12:23:46
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有个数学问题, 看谁能做出来?
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KingOfTheWorld -
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09/20/2009
08:17:21
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Search this forum, you will find the answer.
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^V^ -
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09/20/2009
14:45:45
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回复:Search this forum, you will find the answer.
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Kingoftheworld -
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09/20/2009
16:25:05
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Discussion welcome, no answer included
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Mushy -
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09/20/2009
20:29:56
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Not this simple. Someone says it needs Martingale
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kingoftheworld -
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09/20/2009
20:48:11
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agreed, after wiki i found this:
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Mushy -
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09/21/2009
02:31:28
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No, it is simple if you care only about the prob. of extinction
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innercool -
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09/27/2009
12:35:55
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回复:No, it is simple if you care only about the prob. of extincti
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wyk -
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10/19/2009
18:21:36
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回复:有个数学问题, 看谁能做出来?
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bookreader -
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09/24/2009
20:43:29