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| 页次：1/1 每页50条记录， 本页显示1 到40， 共40 分页： [1] | |
| • #跟帖# 回复：求助：这些数字排列有何规律？ [脑筋急转] - calligraphy(135 bytes ) 2012-12-29 | |
| • #跟帖# 是否可以这样想？ [脑筋急转] - calligraphy(198 bytes ) 2012-12-29 | |
| • #跟帖# 回复：恰恰相反,离散的才有这144组解.(12*60/5=144) [脑筋急转] - calligraphy(512 bytes ) 2012-11-27 | |
| • #跟帖# 回复：说一个具体例子吧 [脑筋急转] - calligraphy(504 bytes ) 2012-11-27 | |
| • #跟帖# 回复：解一题,补过. [脑筋急转] - calligraphy(293 bytes ) 2012-11-27 | |
| • 我也跟不上。只能再敲一边。 [脑筋急转] - calligraphy(1106 bytes ) 2012-11-19 | |
| • #跟帖# 回复：define "ambiguous" [脑筋急转] - calligraphy(69 bytes ) 2012-11-19 | |
| • 我加工了一下的时钟问题 [脑筋急转] - calligraphy(666 bytes ) 2012-11-19 | |
| • #跟帖# 回复：两道国内初一数学题，进来玩玩吧 [脑筋急转] - calligraphy(106 bytes ) 2012-11-19 | |
| • #跟帖# 99%的工程师们都不会算错。 [脑筋急转] - calligraphy(0 bytes ) 2012-11-08 | |
| • #跟帖# 第一个的试解： [脑筋急转] - calligraphy(283 bytes ) 2012-10-20 | |
| • #跟帖# Try 6/25 again. I guess they forgot 5 in the list initially. A v [脑筋急转] - calligraphy(0 bytes ) 2012-09-27 | |
| • #跟帖# HA, I guess you answered 6/25 and was told wrong. [脑筋急转] - calligraphy(0 bytes ) 2012-09-26 | |
| • #跟帖# 说的有道理。 [脑筋急转] - calligraphy(0 bytes ) 2012-09-12 | |
| • #跟帖# 谢谢解答！ [脑筋急转] - calligraphy(0 bytes ) 2012-09-12 | |
| • #跟帖# 估计要用抽屉原理，我得使劲想想。过两天。 [脑筋急转] - calligraphy(0 bytes ) 2012-09-12 | |
| • #跟帖# 看看，有窍门吧！从假设x^3+x^2-2008x-232=(x-a)(x-b)(x-c)存在开始。 [脑筋急转] - calligraphy(227 bytes ) 2012-09-12 | |
| • #跟帖# 回复：求一道中学数学竞赛题 [脑筋急转] - calligraphy(512 bytes ) 2012-09-12 | |
| • #跟帖# 回复：一道MATHCOUNTS习题 [脑筋急转] - calligraphy(614 bytes ) 2012-09-11 | |
| • 一道MATHCOUNTS习题 [脑筋急转] - calligraphy(132 bytes ) 2012-09-11 | |
| • #跟帖# 试着用二项式定理理解一下。 [脑筋急转] - calligraphy(0 bytes ) 2012-04-24 | |
| • #跟帖# after the first one 7, you add 22 (88/4) and can get other three [脑筋急转] - calligraphy(0 bytes ) 2012-04-24 | |
| • #跟帖# 这些不是常规的高中数学吧？ [脑筋急转] - calligraphy(0 bytes ) 2012-04-23 | |
| • #跟帖# try to solve the 1st one [脑筋急转] - calligraphy(324 bytes ) 2012-04-23 | |
| • #跟帖# 这是解线性同余。 [脑筋急转] - calligraphy(515 bytes ) 2012-04-23 | |
| • #跟帖# 解答（六）- 原来的图怎么丢了？ [脑筋急转] - calligraphy(82 bytes ) 2012-02-20 | |
| • #跟帖# 谢谢思妹。He's a regular joe. [脑筋急转] - calligraphy(197 bytes ) 2012-02-20 | |
| • #跟帖# 很好，换种说法会更准确“如果对手拿奇数（1，3），拿适当数目，换坑！”hard for kids. [脑筋急转] - calligraphy(0 bytes ) 2012-02-15 | |
| • #跟帖# in both cases, the first taker can win. see his last slide. [脑筋急转] - calligraphy(0 bytes ) 2012-02-15 | |
| • #跟帖# don't understand your 3/4, normally people do working backwords, [脑筋急转] - calligraphy(125 bytes ) 2012-02-14 | |
| • #跟帖# 解答（七） [脑筋急转] - calligraphy(55 bytes ) 2012-02-13 | |
| • #跟帖# 解答（六） [脑筋急转] - calligraphy(54 bytes ) 2012-02-13 | |
| • #跟帖# 回复：解答（四） [脑筋急转] - calligraphy(55 bytes ) 2012-02-13 | |
| • #跟帖# 解答（四） [脑筋急转] - calligraphy(55 bytes ) 2012-02-13 | |
| • #跟帖# 解答（三） [脑筋急转] - calligraphy(82 bytes ) 2012-02-13 | |
| • #跟帖# 解答（二） [脑筋急转] - calligraphy(54 bytes ) 2012-02-13 | |
| • #跟帖# 解答（一） [脑筋急转] - calligraphy(55 bytes ) 2012-02-13 | |
| • #跟帖# 题目 [脑筋急转] - calligraphy(55 bytes ) 2012-02-13 | |
| • #跟帖# 回复：四年级的数学游戏project [脑筋急转] - calligraphy(54 bytes ) 2012-02-13 | |
| • 四年级的数学游戏project [脑筋急转] - calligraphy(290 bytes ) 2012-02-13 | |
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