欢迎查询 |
|
| 备份档案： 当前 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | |
| 页次：1/2 每页50条记录， 本页显示1 到50， 共76 分页： [1] [2] [下一页] [尾页] | |
| • #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 | |
| • 风轻云淡水一方的数学题 - modulo arithmetic. [子女教育] - dr_yin(127 bytes ) 2014-04-17 | |
| • #跟帖# 同意. 我为了这样的一当婚姻，差点没挺过来。 [子女教育] - dr_yin(0 bytes ) 2014-04-11 | |
| • #跟帖# 谢谢你的故事。不幸的家庭也是一样的: 一方满意对方；一方不满意对方。 [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# 谢谢. [子女教育] - dr_yin(0 bytes ) 2014-04-07 | |
| • #跟帖# 谢谢。她们用我的iphone做的. [子女教育] - dr_yin(0 bytes ) 2014-04-07 | |
| • 爬藤太累。放羊轻松。 [子女教育] - dr_yin(448 bytes ) 2014-04-07 | |
| • #跟帖# 不如一风韵徐娘 [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 | |
| • 高中数学竞赛: 一天一题 AIME 3/18/2014 [子女教育] - dr_yin(199 bytes ) 2014-03-18 | |
| • 初中数学竞赛: 一天一题 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: 一天一题 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 | |
| • 数学竞赛一天一题 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 | |
| • 数学竞赛一天一题 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# 比去麦加朝圣好阿 [子女教育] - dr_yin(47 bytes ) 2014-03-16 | |
| • #跟帖# 回复：讨论一下《数学竞赛一天一题 3/12/2014》 的思路 [子女教育] - dr_yin(86 bytes ) 2014-03-16 | |
| • #跟帖# 回复：数学MATHCOUNTS（2014）Chapter/Target 的第7题 [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 | |
| • 数学竞赛: Ceva 定理的三个证明 [子女教育] - dr_yin(202 bytes ) 2014-03-14 | |
| • 数学竞赛一天一题 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# 回复：他的方法没用Ceva's theorem，非常简单 [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 | |
| • 数学竞赛一天一题 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 | |
| • 数学竞赛一天一题 3/12/2014 [子女教育] - dr_yin(197 bytes ) 2014-03-12 | |
| • #跟帖# 对的哦 [子女教育] - dr_yin(0 bytes ) 2014-03-11 | |
| • #跟帖# 谢谢支持 [子女教育] - dr_yin(0 bytes ) 2014-03-11 | |
| • 数学竞赛一天一题 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 | |
| 页次：1/2 每页50条记录， 本页显示1 到50， 共76 分页： [1] [2] [下一页] [尾页] | |
| 备份档案： 当前 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | |