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| 頁次：5/7 每頁50條記錄， 本頁顯示201 到250， 共305 分頁： [上一頁] [1] [2] [3] [4] [5] [下一頁] [>>] [首頁] [尾頁] | |
| • #跟帖# 我合實了，沒錯。並且把2換成5也一樣。 [腦筋急轉] - yma16(0 bytes ) 2017-08-30 | |
| • 據說9/(2^n),n=1,2,3...的數字之和都是9. [腦筋急轉] - yma16(243 bytes ) 2017-08-28 | |
| • #跟帖# 自信 [腦筋急轉] - yma16(0 bytes ) 2017-04-05 | |
| • #跟帖# 4 亼 [腦筋急轉] - yma16(0 bytes ) 2017-04-05 | |
| • #跟帖# 15+15+口=30 [腦筋急轉] - yma16(0 bytes ) 2016-08-04 | |
| • #跟帖# 我也是這樣看的。但反的字這麽清楚，太不美觀。 [腦筋急轉] - yma16(0 bytes ) 2015-12-22 | |
| • #跟帖# 不是 [腦筋急轉] - yma16(0 bytes ) 2015-12-19 | |
| • #跟帖# 啥意思？ [腦筋急轉] - yma16(0 bytes ) 2015-12-17 | |
| • 字為啥是反的？ [腦筋急轉] - yma16(87 bytes ) 2015-12-15 | |
| • 相棋-紅先輸？ [腦筋急轉] - yma16(85 bytes ) 2015-06-04 | |
| • 相棋-紅先勝？ [腦筋急轉] - yma16(85 bytes ) 2015-06-04 | |
| • 數學不等式 101 [腦筋急轉] - yma16(103 bytes ) 2015-02-08 | |
| • 化簡-用紙和筆 [腦筋急轉] - yma16(43 bytes ) 2014-11-25 | |
| • 題中字母是正整數。（）是最大公約數 [腦筋急轉] - yma16(118 bytes ) 2014-11-21 | |
| • #跟帖# (m + 1)^3 - m^3 = 3m^2 + 3^m + 1 = n^2 [腦筋急轉] - yma16(658 bytes ) 2014-11-21 | |
| • #跟帖# 正六邊形中心為黑，周邊6個點為紅。這樣每個三角形的頂點的顏色不同。 [腦筋急轉] - yma16(0 bytes ) 2014-11-18 | |
| • #跟帖# 用15個點組成金字塔，試一下即知。 [腦筋急轉] - yma16(0 bytes ) 2014-11-10 | |
| • #跟帖# 就這一組嗎？ [腦筋急轉] - yma16(0 bytes ) 2014-10-22 | |
| • #跟帖# n=3的費爾馬定理是費爾馬證明吧。 [腦筋急轉] - yma16(0 bytes ) 2014-09-27 | |
| • #跟帖# 油比水滑。擰緊在螺帽裏的螺絲，水進不去，油可進去。 [腦筋急轉] - yma16(0 bytes ) 2014-01-19 | |
| • #跟帖# did you go to Beijing Normal U.? Your name is familiar. [腦筋急轉] - yma16(0 bytes ) 2014-01-17 | |
| • #跟帖# 高 [腦筋急轉] - yma16(0 bytes ) 2013-11-28 | |
| • #跟帖# B'C=mx,A'B'=B'C'=C'A'=m. Why? [腦筋急轉] - yma16(90 bytes ) 2013-10-31 | |
| • #跟帖# hat [腦筋急轉] - yma16(0 bytes ) 2013-10-19 | |
| • #跟帖# 設腰為b，x的鄰角為y。上三角形的大角為z [腦筋急轉] - yma16(259 bytes ) 2013-10-19 | |
| • #跟帖# 謝謝。在那貼的跟貼裏問的。 [腦筋急轉] - yma16(0 bytes ) 2013-10-18 | |
| • #跟帖# 這和我下麵的問題是等價的吧 [腦筋急轉] - yma16(0 bytes ) 2013-10-18 | |
| • #跟帖# 你是說一開始要加上 任意 二字，對吧？這題是不嚴。 [腦筋急轉] - yma16(81 bytes ) 2013-10-07 | |
| • #跟帖# 這題是求最小的自然數n，使得凡是元素個數大於或等於 [腦筋急轉] - yma16(56 bytes ) 2013-10-06 | |
| • #跟帖# 2怎麽行？1和2的和或差都不能被100整除。 [腦筋急轉] - yma16(0 bytes ) 2013-10-06 | |
| • #跟帖# great. I used tg to figure it out. [腦筋急轉] - yma16(0 bytes ) 2013-10-01 | |
| • #跟帖# 又有友自遠方來，不勝煩呼。 [腦筋急轉] - yma16(0 bytes ) 2013-09-11 | |
| • #跟帖# 想像在藍框和藍板之間有一園柱 [腦筋急轉] - yma16(94 bytes ) 2013-09-11 | |
| • #跟帖# 有理數在實數區間內是無限的。 [腦筋急轉] - yma16(52 bytes ) 2013-08-23 | |
| • 撞蘭板罰球 [腦筋急轉] - yma16(42 bytes ) 2013-08-19 | |
| • #跟帖# I found the solution [腦筋急轉] - yma16(92 bytes ) 2013-08-17 | |
| • #跟帖# 回複：a linear programming question [腦筋急轉] - yma16(483 bytes ) 2013-08-16 | |
| • a linear programming question [腦筋急轉] - yma16(130 bytes ) 2013-08-16 | |
| • #跟帖# 比70000000更小的數 [腦筋急轉] - yma16(295 bytes ) 2013-06-06 | |
| • #跟帖# they say at most the method can be improved from 70 million to 1 [腦筋急轉] - yma16(58 bytes ) 2013-05-26 | |
| • Polignac's conjecture [腦筋急轉] - yma16(1365 bytes ) 2013-05-26 | |
| • which answer is right and why? [腦筋急轉] - yma16(4974 bytes ) 2012-09-16 | |
| • In 1,11,21,1211...prove that [腦筋急轉] - yma16(141 bytes ) 2011-11-04 | |
| • #跟帖# I misread the question. I think KangMM has the right answer. [腦筋急轉] - yma16(0 bytes ) 2011-07-23 | |
| • #跟帖# For cma's question [腦筋急轉] - yma16(85 bytes ) 2011-07-23 | |
| • #跟帖# lifes should be lives [腦筋急轉] - yma16(0 bytes ) 2011-05-24 | |
| • English to Chinese [腦筋急轉] - yma16(215 bytes ) 2011-05-24 | |
| • #跟帖# 回複：Limit as x goes to a number, such as 0. [腦筋急轉] - yma16(0 bytes ) 2011-05-22 | |
| • #跟帖# 回複：Is that true [腦筋急轉] - yma16(96 bytes ) 2011-05-22 | |
| • Is that true [腦筋急轉] - yma16(111 bytes ) 2011-05-21 | |
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