• 中美洲奥赛题:求和(2星) - 康MM - ♀ (70 bytes) () 10/09/2009 16:19:52
• By copy and paste - innercool - (659 bytes) () 10/10/2009 12:40:42
• Nice! - 乱弹 - ♂ (0 bytes) () 10/10/2009 18:55:26
• 回复:中美洲奥赛题:求和(2星) - genier7 - ♀ (20 bytes) () 11/05/2009 00:28:27
• 斑斑那,Project Euler怎么样了? - Commentate - ♂ (16 bytes) () 10/09/2009 06:37:27
• 还在吧。不过我们好久不去了。210题以后就没做了 - 康MM - ♀ (69 bytes) () 10/09/2009 16:24:18
• 一道中学的排列组合题 - LyingKing - ♂ (145 bytes) () 10/07/2009 20:09:26
• 组合排列题,forever如履薄冰。 - -闲云野鹤- - ♂ (161 bytes) () 10/08/2009 09:15:55
• 13!/(2!2!2!2!)-9! - yongcheng3315 - ♀ (0 bytes) () 10/08/2009 12:04:16
• 回复:13!/(2!2!2!2!)-9! - LyingKing - ♂ (60 bytes) () 10/08/2009 12:44:50
• 回复:一道中学的排列组合题 - 恶狼 - ♂ (60 bytes) () 10/08/2009 13:28:38
• 13!/(2!2!2!2!)-4*12!/(2!2!2!)+12*11!/(2!2!)-24*10!/2+24*9! - 恶狼 - ♂ (163 bytes) () 10/08/2009 13:37:42
• 13!/(2!2!2!2!)-4*12!/(2!2!2!)+6*11!/(2!2!)-4*10!/2!+9! - AceOnRiver - ♂ (56 bytes) () 11/05/2009 13:53:05
• 8341祭 - 铁里屋 - ♂ (12400 bytes) () 10/05/2009 07:04:48
• 8-3-4-1=0 - jinjing - (28 bytes) () 12/11/2009 16:31:41
• 8=发达,3=毛,周,朱,4=王,张,江,姚,1=华 - jinjing - (0 bytes) () 12/12/2009 06:15:07
• 又见彩虹 - 贫论元 - ♂ (182 bytes) () 10/02/2009 13:43:08
• 有道理 - 说了就走 - ♂ (190 bytes) () 10/03/2009 11:16:29
• 回复:有道理 - 贫论元 - ♂ (38 bytes) () 10/07/2009 19:41:08
• 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。 - 铁拐鲤 - ♀ (0 bytes) () 10/03/2009 19:58:13
• 回复:又见彩虹 - -闲云野鹤- - ♂ (33 bytes) () 10/06/2009 06:47:53
• 你是竺可桢再世.细想过去科学家的名字很有意思. - 老杨 - ♂ (286 bytes) () 12/12/2009 07:51:27
• Any solution for this puzzle - wenru88 - ♀ (105 bytes) () 10/01/2009 09:17:19
• Is it possible? - jwhzzj - ♂ (0 bytes) () 10/06/2009 22:46:25
• 回复:Any solution for this puzzle - softstorm - ♂ (28 bytes) () 10/08/2009 08:53:57
• STAR only has 5 lines - wenru88 - ♀ (0 bytes) () 10/08/2009 09:06:13
• I do not think it has solution either.... - wenru88 - ♀ (0 bytes) () 10/08/2009 09:04:12
• Each line may not be a straight line. - newcomer16888 - (0 bytes) () 10/08/2009 20:01:08
• Correct - dayuwang - ♂ (138 bytes) () 10/09/2009 13:16:29
• but you need 6 lines. - jwhzzj - ♂ (0 bytes) () 10/10/2009 13:07:03
• It is possible using the Fano plane - innercool - (245 bytes) () 10/10/2009 14:18:11
• By Fano plane I meant this. - innercool - (90 bytes) () 10/11/2009 22:06:33
• Sorry, try again. - InnerCool - (121 bytes) () 10/11/2009 22:08:23
• 回复:Any solution for this puzzle - first_time_landlord - ♂ (273 bytes) () 10/10/2009 15:32:59
• if curved line allowed - jwhzzj - ♂ (94 bytes) () 10/11/2009 10:25:52
• Thanks for the solution........ - wenru88 - ♀ (0 bytes) () 10/17/2009 10:46:35
• 回复:Any solution for this puzzle (图) - virus9999 - ♂ (69 bytes) () 11/11/2009 13:04:47
• 回复:Any solution for this puzzle - haha - (453 bytes) () 11/14/2009 12:02:03
• 24点 - 冻凉之才 - ♂ (173 bytes) () 09/29/2009 11:09:38
• try : 2,4,6,8 - 猪兔同龙 - ♂ (4 bytes) () 09/30/2009 10:34:53
• Agree - 冻凉之才 - ♂ (0 bytes) () 10/01/2009 08:38:12
• 1,6, 8, 10 - 火球魔法 - ♂ (59 bytes) () 09/30/2009 17:13:05
• Don't Agree - 冻凉之才 - ♂ (59 bytes) () 10/01/2009 08:40:34
• 那是因为你too笨了:) - 铁拐鲤 - ♀ (0 bytes) () 10/03/2009 19:59:46
• 16 ways in fact 回复:1,6, 8, 10 - 火球魔法 - ♂ (438 bytes) () 10/01/2009 09:18:43
• Haha, that's fun - 冻凉之才 - ♂ (124 bytes) () 10/01/2009 09:30:23
• 回复:Haha, that's fun - aisanguo - (37 bytes) () 10/01/2009 09:40:47
• 回复:回复:Haha, that's fun - 冻凉之才 - ♂ (38 bytes) () 10/01/2009 09:48:28
• in that case, there could be 11 different cases. - 火球魔法 - ♂ (284 bytes) () 10/01/2009 21:56:06
• 这个厉害,哈哈! - 冻凉之才 - ♂ (115 bytes) () 10/02/2009 09:21:10
• 回复:这个厉害,哈哈! - 火球魔法 - ♂ (7449 bytes) () 10/04/2009 15:35:52
• 回复:24点 - haha - (4 bytes) () 11/14/2009 11:13:35
• 回复:24点 - 2,4,8,10 - haha - (116 bytes) () 11/14/2009 11:18:52
• 回复:回复:24点 - 2,4,8,10 - haha - (13 bytes) () 11/14/2009 11:24:55
• 回复:回复:回复:24点 - 2,4,8,10 - haha - (50 bytes) () 11/14/2009 11:25:56
• 幼儿园超难智力题--粗心的厨子 - 生肖迷宫 - ♂ (125 bytes) () 09/27/2009 11:29:29
• 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? - 3271963 - ♀ (40 bytes) () 09/27/2009 16:44:19
• 幼儿园出这题,也太血腥了吧。 - 想在凡尔赛跳华尔兹 - ♀ (0 bytes) () 10/01/2009 06:25:48
• Easy Reader Spirit–Wenxuecity Reader Lite 用iphone上文学城 - bit-ware - ♂ (768 bytes) () 10/01/2009 07:54:35
• 本来是七指 - 说了就走 - ♂ (0 bytes) () 10/03/2009 11:26:23
• 回复:幼儿园超难智力题--粗心的厨子 - jinhr - ♂ (8 bytes) () 10/04/2009 20:58:17
• 这位是属蜈蚣的? - 牛牛er - ♂ (0 bytes) () 10/05/2009 05:39:46
• 从前切掉5个"指头",not整个手指,今天又切掉一个"手指". - noway - ♀ (5 bytes) () 10/09/2009 07:52:49
• 回复:幼儿园超难智力题--粗心的厨子 - 马小夹 - ♂ (113 bytes) () 10/19/2009 03:59:19
• 幼儿园超难智力题--丢手绢 - 生肖迷宫 - ♂ (173 bytes) () 09/27/2009 11:22:59
• 丢手绢游戏要蒙上眼睛,别人不知道他脱光了膀子。 - 3271963 - ♀ (0 bytes) () 09/27/2009 16:47:06
• 中美洲奥赛题:过桥(2星) - 康MM - ♀ (110 bytes) () 09/26/2009 12:59:19
• A Try 回复:中美洲奥赛题:过桥(2星) - 火球魔法 - ♂ (15 bytes) () 09/26/2009 14:14:44
• n*2^n - 雪山飞鱼 - ♂ (0 bytes) () 09/30/2009 10:18:36
• change to n*2^(n+1) - 雪山飞鱼 - ♂ (0 bytes) () 09/30/2009 10:22:42
• still miss one case, so (n+1)*2^(n+1) is correct. - 雪山飞鱼 - ♂ (0 bytes) () 09/30/2009 10:27:30
• 哈哈 - 火球魔法 - ♂ (0 bytes) () 09/30/2009 10:30:07
• (n-1)! - momlucky - ♂ (0 bytes) () 10/12/2009 00:19:50
• 回复:中美洲奥赛题:过桥(2星) - jamtien - ♂ (13 bytes) () 11/07/2009 16:42:00
• (n-1)*2^(n+1) - jamtien - ♂ (13 bytes) () 11/07/2009 16:42:56
• prove or disprove - yma16 - ♂ (128 bytes) () 09/26/2009 12:13:48
• One more condition: Some of the terms - yma16 - ♂ (16 bytes) () 09/26/2009 12:34:28
• disprove - 火球魔法 - ♂ (21 bytes) () 09/26/2009 14:16:52
• sorry, there was another condition. pls read it.-eom - yma16 - ♂ (0 bytes) () 09/26/2009 15:53:17
• 2^log2(0.5)+2^log2(0.5)=1 - 说了就走 - ♂ (0 bytes) () 10/03/2009 11:43:06
• 回复:log2(0.5) is -1. The power must be - yma16 - ♂ (22 bytes) () 10/03/2009 21:29:13
• It is an open question-do not work on it anymore. - yma16 - ♂ (56 bytes) () 10/29/2009 04:56:14
• 图片谜公布谜底 - 小脑 - ♂ (143 bytes) () 09/25/2009 22:20:21
• 牵强附会,一点意思都没有。 - 云雾山中 - ♂ (0 bytes) () 09/27/2009 06:55:07
• SAP智力题 3-way puzzle ★★★★★★★ - Williamluo - ♂ (499 bytes) () 09/25/2009 17:45:47
• 回复:SAP智力题 3-way puzzle ★★★★★★★ - 火球魔法 - ♂ (513 bytes) () 09/26/2009 14:08:51
• 华尔街 Interview Questions, 18+ please - Kingoftheworld - ♂ (781 bytes) () 09/23/2009 17:49:46
• make one of them her husband - 九阳 - ♂ (104 bytes) () 09/23/2009 19:12:39
• 回复:华尔街 Interview Questions, 18+ please - tsrj73 - ♂ (281 bytes) () 09/24/2009 14:06:26
• Is there a correct answer to this question. Quite a few ambiguit - TimingIsEverything - ♂ (543 bytes) () 09/25/2009 12:23:46
• 有个数学问题, 看谁能做出来? - KingOfTheWorld - ♂ (164 bytes) () 09/20/2009 08:17:21
• Search this forum, you will find the answer. - ^V^ - ♂ (0 bytes) () 09/20/2009 14:45:45
• 回复:Search this forum, you will find the answer. - Kingoftheworld - ♂ (23 bytes) () 09/20/2009 16:25:05
• Discussion welcome, no answer included - Mushy - ♂ (920 bytes) () 09/20/2009 20:29:56
• Not this simple. Someone says it needs Martingale - kingoftheworld - ♂ (35 bytes) () 09/20/2009 20:48:11
• agreed, after wiki i found this: - Mushy - ♂ (672 bytes) () 09/21/2009 02:31:28
• No, it is simple if you care only about the prob. of extinction - innercool - (80 bytes) () 09/27/2009 12:35:55
• 回复:No, it is simple if you care only about the prob. of extincti - wyk - ♂ (100 bytes) () 10/19/2009 18:21:36
• 回复:有个数学问题, 看谁能做出来? - bookreader - ♂ (589 bytes) () 09/24/2009 20:43:29