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| 頁次：1/3 每頁50條記錄， 本頁顯示1 到50， 共119 分頁： [1] [2] [3] [下一頁] [尾頁] | |
| • #跟帖# linearity of expectation [腦筋急轉] - dynamic(128 bytes ) 2008-10-20 | |
| • #跟帖# NP-hard [腦筋急轉] - dynamic(363 bytes ) 2008-09-13 | |
| • #跟帖# 其實跟我說的一樣嘛:-) [腦筋急轉] - dynamic(0 bytes ) 2008-09-02 | |
| • #跟帖# my thoughts [腦筋急轉] - dynamic(630 bytes ) 2008-08-28 | |
| • #跟帖# 謝謝，有道理 [腦筋急轉] - dynamic(0 bytes ) 2008-08-07 | |
| • #跟帖# 我的意思是這樣 [腦筋急轉] - dynamic(235 bytes ) 2008-08-06 | |
| • #跟帖# 題目會不會是要求所有的圓相離或相切呢 [腦筋急轉] - dynamic(0 bytes ) 2008-08-04 | |
| • #跟帖# 來個解答 [腦筋急轉] - dynamic(482 bytes ) 2008-07-18 | |
| • #跟帖# let me try [腦筋急轉] - dynamic(551 bytes ) 2008-07-17 | |
| • #跟帖# 讚:) [腦筋急轉] - dynamic(0 bytes ) 2008-07-17 | |
| • #跟帖# try adding spaces between characters? [腦筋急轉] - dynamic(0 bytes ) 2008-07-16 | |
| • #跟帖# 垂心和交點的確會在外麵，但仍然是共圓的。用代數來做沒區別，可能用幾何做法兩種情況就不同了。 [腦筋急轉] - dynamic(0 bytes ) 2008-07-16 | |
| • #跟帖# 牛，第三題我粗略想了一下沒什麽思路。前兩題的確不太難。 [腦筋急轉] - dynamic(0 bytes ) 2008-07-16 | |
| • #跟帖# 不過沒用到銳角的條件，也可能是我錯了:P 等待大家的意見 [腦筋急轉] - dynamic(0 bytes ) 2008-07-16 | |
| • #跟帖# 這題倒不難，先確定圓心，然後驗證距離都相等即可。用向量算很容易。 [腦筋急轉] - dynamic(0 bytes ) 2008-07-16 | |
| • #跟帖# 死算給算出來了...應該有更好的辦法 [腦筋急轉] - dynamic(404 bytes ) 2008-07-16 | |
| • #跟帖# 死活發不上來的那段： [腦筋急轉] - dynamic(234 bytes ) 2008-07-15 | |
| • #跟帖# 回複：隻好嚐試用二分法貼上來了...別怪我汙染版麵 [腦筋急轉] - dynamic(589 bytes ) 2008-07-15 | |
| • #跟帖# 回複：隻好嚐試用二分法貼上來了...別怪我汙染版麵 [腦筋急轉] - dynamic(374 bytes ) 2008-07-15 | |
| • #跟帖# 隻好嚐試用二分法貼上來了...別怪我汙染版麵 [腦筋急轉] - dynamic(0 bytes ) 2008-07-15 | |
| • #跟帖# 我寫了個解答，也不知道有什麽非法字符，死活發不上來 [腦筋急轉] - dynamic(0 bytes ) 2008-07-15 | |
| • #跟帖# 回複：有點難的概率題 [腦筋急轉] - dynamic(594 bytes ) 2008-07-13 | |
| • #跟帖# well, my reason is attached: [腦筋急轉] - dynamic(27 bytes ) 2008-07-09 | |
| • #跟帖# 1. 40 [腦筋急轉] - dynamic(0 bytes ) 2008-07-09 | |
| • #跟帖# 再仔細看看題目，人家證的不是這個:-) [腦筋急轉] - dynamic(0 bytes ) 2008-07-08 | |
| • #跟帖# 我也報個名 [腦筋急轉] - dynamic(0 bytes ) 2008-07-08 | |
| • #跟帖# 嗯，是硬算。也可以說是dynamic programming [腦筋急轉] - dynamic(431 bytes ) 2008-07-05 | |
| • #跟帖# 還是202題比較有意思 [腦筋急轉] - dynamic(0 bytes ) 2008-07-05 | |
| • #跟帖# 我昨晚剛證出了歌德巴赫猜想，這裏空間太小了寫不下！ [腦筋急轉] - dynamic(0 bytes ) 2008-06-30 | |
| • #跟帖# 同道中人啊 [腦筋急轉] - dynamic(479 bytes ) 2008-06-30 | |
| • #跟帖# 其實我最喜歡的是中式和日式RPG，不過最近沒新的 [腦筋急轉] - dynamic(62 bytes ) 2008-06-30 | |
| • #跟帖# BattleField?沒玩過，文明倒是玩的 [腦筋急轉] - dynamic(0 bytes ) 2008-06-30 | |
| • #跟帖# i think center on each side should be 1/6 instead of 1/24 [腦筋急轉] - dynamic(0 bytes ) 2008-06-30 | |
| • #跟帖# 這幾天在玩英雄無敵5，哈哈 [腦筋急轉] - dynamic(0 bytes ) 2008-06-29 | |
| • #跟帖# induction [腦筋急轉] - dynamic(0 bytes ) 2008-06-29 | |
| • #跟帖# 厲害，這還能知道是誰做的？ [腦筋急轉] - dynamic(224 bytes ) 2008-06-29 | |
| • #跟帖# 這題沒任何奧妙，死算... [腦筋急轉] - dynamic(0 bytes ) 2008-06-28 | |
| • #跟帖# why do you think so? [腦筋急轉] - dynamic(348 bytes ) 2008-06-12 | |
| • #跟帖# brilliant answer... however that question is not allowed [腦筋急轉] - dynamic(154 bytes ) 2008-06-12 | |
| • #跟帖# 很好的分析 [腦筋急轉] - dynamic(783 bytes ) 2008-06-12 | |
| • #跟帖# haha, nice answer, tricky questions for fools though... [腦筋急轉] - dynamic(0 bytes ) 2008-06-12 | |
| • #跟帖# 糾正一個typo [腦筋急轉] - dynamic(160 bytes ) 2008-06-11 | |
| • #跟帖# 得出一種方案了（需要問5次） [腦筋急轉] - dynamic(1538 bytes ) 2008-06-11 | |
| • #跟帖# 嗯，的確少考慮了一種情況，那我一會兒再想想 [腦筋急轉] - dynamic(0 bytes ) 2008-06-11 | |
| • 來道關於猜數字的難題 [腦筋急轉] - dynamic(736 bytes ) 2008-06-11 | |
| • #跟帖# 很遺憾，無論問多少問題都不能確定的區分這三個人 [腦筋急轉] - dynamic(392 bytes ) 2008-06-11 | |
| • #跟帖# 嗯，用ettubrute的方法即可證明 [腦筋急轉] - dynamic(267 bytes ) 2008-06-11 | |
| • #跟帖# 那如果第一個問題問了三傻，他會答對還是答錯？還是都有可能？ [腦筋急轉] - dynamic(0 bytes ) 2008-06-11 | |
| • #跟帖# agreed [腦筋急轉] - dynamic(469 bytes ) 2008-06-11 | |
| • #跟帖# nice proof [腦筋急轉] - dynamic(90 bytes ) 2008-06-09 | |
| 頁次：1/3 每頁50條記錄， 本頁顯示1 到50， 共119 分頁： [1] [2] [3] [下一頁] [尾頁] | |
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