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| 頁次：1/2 每頁50條記錄， 本頁顯示1 到50， 共76 分頁： [1] [2] [下一頁] [尾頁] | |
| • #跟帖# The the steakhouse will have a chicken appreciation day. [子女教育] - dr_yin(0 bytes ) 2014-07-12 | |
| • #跟帖# B_{i+1}-A_{i+1}=i(a_{i+1}-a_i)+(B_i-A_i) implies [子女教育] - dr_yin(135 bytes ) 2014-07-12 | |
| • #跟帖# Question #1 is quite obvious after rewritting the inequalities. [子女教育] - dr_yin(433 bytes ) 2014-07-12 | |
| • #跟帖# So 3 is not the solution. One of the factors must contain two 0s [子女教育] - dr_yin(87 bytes ) 2014-05-21 | |
| • AIME Challenge - Mock Question [子女教育] - dr_yin(203 bytes ) 2014-05-21 | |
| • #跟帖# changed a little so that the solution is unique. [子女教育] - dr_yin(0 bytes ) 2014-04-17 | |
| • 風輕雲淡水一方的數學題 - modulo arithmetic. [子女教育] - dr_yin(127 bytes ) 2014-04-17 | |
| • #跟帖# 同意. 我為了這樣的一當婚姻，差點沒挺過來。 [子女教育] - dr_yin(0 bytes ) 2014-04-11 | |
| • #跟帖# 謝謝你的故事。不幸的家庭也是一樣的: 一方滿意對方；一方不滿意對方。 [子女教育] - dr_yin(0 bytes ) 2014-04-11 | |
| • #跟帖# 心情好即可。Body language is better than spoken language. [子女教育] - dr_yin(0 bytes ) 2014-04-11 | |
| • #跟帖# 謝謝. [子女教育] - dr_yin(0 bytes ) 2014-04-07 | |
| • #跟帖# 謝謝。她們用我的iphone做的. [子女教育] - dr_yin(0 bytes ) 2014-04-07 | |
| • 爬藤太累。放羊輕鬆。 [子女教育] - dr_yin(448 bytes ) 2014-04-07 | |
| • #跟帖# 不如一風韻徐娘 [子女教育] - dr_yin(0 bytes ) 2014-03-30 | |
| • #跟帖# American Textbook is full of such bullshits. [子女教育] - dr_yin(523 bytes ) 2014-03-24 | |
| • #跟帖# Right! [子女教育] - dr_yin(0 bytes ) 2014-03-18 | |
| • #跟帖# I set a=sqrt(2014), 4031=2a^2+3 and [子女教育] - dr_yin(89 bytes ) 2014-03-18 | |
| • 高中數學競賽: 一天一題 AIME 3/18/2014 [子女教育] - dr_yin(199 bytes ) 2014-03-18 | |
| • 初中數學競賽: 一天一題 3/18/2014 [子女教育] - dr_yin(159 bytes ) 2014-03-18 | |
| • #跟帖# Do not need a calculator [子女教育] - dr_yin(79 bytes ) 2014-03-17 | |
| • #跟帖# Great! There is a typo in the last line. [子女教育] - dr_yin(0 bytes ) 2014-03-17 | |
| • #跟帖# Correction: x^2-12x-4 on right [子女教育] - dr_yin(0 bytes ) 2014-03-17 | |
| • AMC-12/AIME: 一天一題 3/17/2014 [子女教育] - dr_yin(193 bytes ) 2014-03-17 | |
| • #跟帖# Great! [子女教育] - dr_yin(0 bytes ) 2014-03-17 | |
| • 數學競賽一天一題 3/17/2014 [子女教育] - dr_yin(246 bytes ) 2014-03-17 | |
| • #跟帖# Only colors, different from images [子女教育] - dr_yin(57 bytes ) 2014-03-16 | |
| • 數學競賽一天一題 3/16/2014 [子女教育] - dr_yin(153 bytes ) 2014-03-16 | |
| • #跟帖# A simple solution is posted here. [子女教育] - dr_yin(187 bytes ) 2014-03-16 | |
| • #跟帖# 比去麥加朝聖好阿 [子女教育] - dr_yin(47 bytes ) 2014-03-16 | |
| • #跟帖# 回複：討論一下《數學競賽一天一題 3/12/2014》 的思路 [子女教育] - dr_yin(86 bytes ) 2014-03-16 | |
| • #跟帖# 回複：數學MATHCOUNTS（2014）Chapter/Target 的第7題 [子女教育] - dr_yin(193 bytes ) 2014-03-16 | |
| • #跟帖# Third Proof [子女教育] - dr_yin(79 bytes ) 2014-03-14 | |
| • 數學競賽: Ceva 定理的三個證明 [子女教育] - dr_yin(202 bytes ) 2014-03-14 | |
| • 數學競賽一天一題 3/14/2014 [子女教育] - dr_yin(79 bytes ) 2014-03-14 | |
| • #跟帖# Ceva's Theorem [子女教育] - dr_yin(79 bytes ) 2014-03-13 | |
| • #跟帖# Right. It needs more explanation.Especially the second part. [子女教育] - dr_yin(79 bytes ) 2014-03-13 | |
| • #跟帖# 回複：他的方法沒用Ceva's theorem，非常簡單 [子女教育] - dr_yin(72 bytes ) 2014-03-13 | |
| • #跟帖# Thanks. It uses Ceva's Theorem [子女教育] - dr_yin(0 bytes ) 2014-03-13 | |
| • #跟帖# I like this solution [子女教育] - Dr_yin(0 bytes ) 2014-03-13 | |
| • #跟帖# Summary of above two solutions [子女教育] - dr_yin(79 bytes ) 2014-03-13 | |
| • #跟帖# It is time to introduce kids basic modular arithmetic [子女教育] - dr_yin(0 bytes ) 2014-03-13 | |
| • #跟帖# Proof of the formula [子女教育] - dr_yin(160 bytes ) 2014-03-13 | |
| • 數學競賽一天一題 3/13/2014 [子女教育] - dr_yin(79 bytes ) 2014-03-13 | |
| • #跟帖# Here is the real Mathcounts Chapter Team #10 -2014 [子女教育] - dr_yin(112 bytes ) 2014-03-12 | |
| • #跟帖# Right.(5,12,13)and Area of Triangle. [子女教育] - dr_yin(0 bytes ) 2014-03-12 | |
| • 數學競賽一天一題 3/12/2014 [子女教育] - dr_yin(197 bytes ) 2014-03-12 | |
| • #跟帖# 對的哦 [子女教育] - dr_yin(0 bytes ) 2014-03-11 | |
| • #跟帖# 謝謝支持 [子女教育] - dr_yin(0 bytes ) 2014-03-11 | |
| • 數學競賽一天一題 3/11/2014 [子女教育] - dr_yin(248 bytes ) 2014-03-11 | |
| • #跟帖# Here is the solution [子女教育] - dr_yin(688 bytes ) 2014-03-11 | |
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