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| 页次：2/2 每页50条记录， 本页显示51 到77， 共77 分页： [上一页] [1] [2] [首页] | |
| • #跟帖# 没错，如果熟悉Ceva's theorem的证明，从面积入手确实是最好的办法。 [子女教育] - calligraphy(0 bytes ) 2014-03-13 | |
| • #跟帖# yesterday's solution for mathcounts kids [子女教育] - calligraphy(683 bytes ) 2014-03-13 | |
| • #跟帖# Niu Ren [子女教育] - calligraphy(0 bytes ) 2014-03-12 | |
| • #跟帖# 有志气！ [子女教育] - calligraphy(0 bytes ) 2014-03-04 | |
| • #跟帖# 回复：参加州mathcount 比赛，是chapter 有专人带他们去还是得父母自己陪着去？ [子女教育] - calligraphy(205 bytes ) 2014-03-01 | |
| • #跟帖# 基本功不扎实？ [子女教育] - calligraphy(0 bytes ) 2014-02-20 | |
| • #跟帖# Thank you so much for catching the error. [子女教育] - calligraphy(0 bytes ) 2014-02-17 | |
| • #跟帖# 回复：结果对的，不过过程值得推敲 [子女教育] - calligraphy(553 bytes ) 2014-02-17 | |
| • #跟帖# 回复：数学题：连续正整数的和 [子女教育] - calligraphy(118 bytes ) 2014-02-17 | |
| • #跟帖# congrats. [子女教育] - calligraphy(0 bytes ) 2014-02-06 | |
| • #跟帖# 回复：算术不比数学简单 [子女教育] - calligraphy(20 bytes ) 2014-01-24 | |
| • #跟帖# 回复：数学要抓紧：大数不行，我们玩小数 [子女教育] - calligraphy(12 bytes ) 2014-01-24 | |
| • #跟帖# 完全靠身体控制，比ski难，看那些滑得好的，真像冲浪一样。 [子女教育] - calligraphy(0 bytes ) 2014-01-24 | |
| • #跟帖# 回复：儿子最近开始练习写汉字，他是左撇子，一直用左手写字。但左手写汉字很别扭，笔画不好弄，所以他开始改用右手写汉字 [子女教育] - calligraphy(273 bytes ) 2014-01-24 | |
| • #跟帖# 太对了！ [子女教育] - calligraphy(0 bytes ) 2014-01-13 | |
| • #跟帖# 6700417x641 = F5, the 1st composite Fermat #, 6700417 is a prime [子女教育] - calligraphy(0 bytes ) 2014-01-11 | |
| • #跟帖# 回复：初中高中没大区别吧 [子女教育] - calligraphy(220 bytes ) 2014-01-09 | |
| • #跟帖# 踢球不争抢怎么可以？ [子女教育] - calligraphy(0 bytes ) 2014-01-09 | |
| • #跟帖# 真不容易，赞一个。 [子女教育] - calligraphy(0 bytes ) 2014-01-09 | |
| • #跟帖# 数学怎么高潮迭起了？ [子女教育] - calligraphy(0 bytes ) 2014-01-09 | |
| • #跟帖# how to prove "t+1/t must be integer. t must be 1 or -1" ? [子女教育] - calligraphy(0 bytes ) 2014-01-08 | |
| • #跟帖# 中国小学生数学竞赛尤其有点过分了。美国的比较好。不折磨人。 [子女教育] - calligraphy(0 bytes ) 2014-01-08 | |
| • #跟帖# 哦，我明白了。在mathcounts/AMC8 level， 好像经常用，simon's factoring method。 [子女教育] - calligraphy(0 bytes ) 2014-01-08 | |
| • #跟帖# so I gave up. [子女教育] - calligraphy(0 bytes ) 2014-01-08 | |
| • #跟帖# 回复：大家看看怎么弄不涉及不等式估计呢？ [子女教育] - calligraphy(433 bytes ) 2014-01-08 | |
| • #跟帖# 1/xy would be even smaller? [子女教育] - calligraphy(0 bytes ) 2014-01-08 | |
| • #跟帖# 回复：俺来出一个简单数学题 [子女教育] - calligraphy(136 bytes ) 2014-01-08 | |
| 页次：2/2 每页50条记录， 本页显示51 到77， 共77 分页： [上一页] [1] [2] [首页] | |
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