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页次：7/18
每页50条记录，
本页显示301
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共897
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#跟帖# 下面是看了不走的答案.
[脑筋急转] - jinjing(148 bytes )
2011-07-03
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#跟帖# 问题在同理上,B,D切线平行,A,C切线平行,只有B=D,A=C,
[脑筋急转] - jinjing(33 bytes )
2011-07-03
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#跟帖# 你的A'BCD 就不再是凸四边形.不是最后的凸四边形,没有关系.
[脑筋急转] - jinjing(117 bytes )
2011-07-03
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#跟帖# ）设CD 与xy=1 在第一象限的交点为E（E,1/E)， 当B>E>A 时, 你的A'BCD 就不再是凸四边形（D点在三角形A
[脑筋急转] - jinjing(0 bytes )
2011-07-03
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#跟帖# A,B,C,D 在4个象限,B>A,您说的,不可能.逻辑佷简易,
[脑筋急转] - jinjing(217 bytes )
2011-07-02
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#跟帖# 初等解法及题目推广.
[脑筋急转] - jinjing(357 bytes )
2011-07-01
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#跟帖# 您的ABCD是任取的,BD不一定过O点...过O点要证明.
[脑筋急转] - jinjing(0 bytes )
2011-06-30
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#跟帖# 99分,12,21太小了吧?人生最多7个对称年.只有差9岁的有.
[脑筋急转] - jinjing(57 bytes )
2011-06-29
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男,女婚配最佳年令.
[脑筋急转] - jinjing(209 bytes )
2011-06-29
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#跟帖# BD过原点O且被O平分,不严格.
[脑筋急转] - jinjing(0 bytes )
2011-06-29
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#跟帖# N边形面积可由N个二階行列式之和之半表达
[脑筋急转] - jinjing(213 bytes )
2011-06-18
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#跟帖# 给牛刀 1点解释.
[脑筋急转] - jinjing(137 bytes )
2011-06-17
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#跟帖# 天女可散花,他也可散题嘛.您去哪啦?
[脑筋急转] - jinjing(0 bytes )
2011-06-16
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#跟帖# 答案是4.突域其实是4边形.
[脑筋急转] - jinjing(354 bytes )
2011-06-16
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#跟帖# 您的圆内接正方形,面积是2,但半径不是1.不是说您2.
[脑筋急转] - jinjing(0 bytes )
2011-06-13
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#跟帖# 6) 木 5)申(?) 4) 中国人最多. 10) 12 面. 1)各向同性,游程一样.
[脑筋急转] - jinjing(12 bytes )
2011-06-13
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#跟帖# 对江苏理科人不太难.您知识广,很难每门都精.
[脑筋急转] - jinjing(90 bytes )
2011-06-13
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#跟帖# 出题负责人为南大退休教授,曾领学生建模赛,得全国冠军.
[脑筋急转] - jinjing(53 bytes )
2011-06-09
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#跟帖# 玩笑
[脑筋急转] - jinjing(0 bytes )
2011-06-09
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#跟帖# 2
[脑筋急转] - jinjing(0 bytes )
2011-06-09
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#跟帖# You at first you don't think f(N1)=N2,so,I ,,,,your deduce prove
[脑筋急转] - jinjing(164 bytes )
2011-06-02
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#跟帖# I like the people who like Math. Let me tell you the detail.
[脑筋急转] - jinjing(177 bytes )
2011-06-02
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#跟帖# your answer is not math answer, I do this Q, I hope you can see.
[脑筋急转] - jinjing(191 bytes )
2011-06-02
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#跟帖# 回复：you said yourself "for any f, no solution"
[脑筋急转] - jinjing(55 bytes )
2011-06-01
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#跟帖# If f is linear, OK. But we can't say nonlinear f is impossible b
[脑筋急转] - jinjing(45 bytes )
2011-06-01
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#跟帖# your (2) means f is bijection function. 1 to 1 and onto.
[脑筋急转] - jinjing(78 bytes )
2011-06-01
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#跟帖# What is relation? your 1 to 6 is just my proof. my 2011/2 out of
[脑筋急转] - jinjing(255 bytes )
2011-06-01
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#跟帖# Can you give the proof? If you can't show , and then I contruct
[脑筋急转] - jinjing(0 bytes )
2011-05-31
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#跟帖# Your right, I'm too busy to care in the end of semest.er.
[脑筋急转] - jinjing(38 bytes )
2011-05-29
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#跟帖# Dom't worry,next year the question being changed to f(f(x))=n+ 2
[脑筋急转] - jinjing(226 bytes )
2011-05-29
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#跟帖# 网上犯了逻辑错误,后手策略是随先手变的.....
[脑筋急转] - jinjing(168 bytes )
2011-05-26
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#跟帖# 4
[脑筋急转] - jinjing(0 bytes )
2011-05-26
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#跟帖# 回复：1st loses: 2nd player Keeps odd number of rows and odd number
[脑筋急转] - jinjing(117 bytes )
2011-05-26
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#跟帖# Red Grit, let us try your game.
[脑筋急转] - jinjing(108 bytes )
2011-05-26
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#跟帖# 回复：This answer can fit any arrangement of this game
[脑筋急转] - jinjing(140 bytes )
2011-05-23
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#跟帖# 回复：回复：A game
[脑筋急转] - jinjing(965 bytes )
2011-05-20
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#跟帖# sorry,careless.I woildthink who take the last who win.In your Q,
[脑筋急转] - jinjing(26 bytes )
2011-05-15
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#跟帖# The first lost.this case is special,most other cases,the first w
[脑筋急转] - jinjing(130 bytes )
2011-05-15
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#跟帖# 对不起,算错了,答案应该是6,方法对,应是202123611.
[脑筋急转] - jinjing(289 bytes )
2011-05-09
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#跟帖# 题目可能是百位数是多少?.....5....=~表百位数相等.
[脑筋急转] - jinjing(118 bytes )
2011-05-08
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#跟帖# 840,turn 32 times.
[脑筋急转] - jinjing(0 bytes )
2011-04-25
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#跟帖# 游泳池
[脑筋急转] - jinjing(0 bytes )
2011-04-22
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#跟帖# GREAT,HOWＭＡＮＹ？１＋２和２＋１．．．不一样，．．．
[脑筋急转] - jinjing(0 bytes )
2011-04-22
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#跟帖# 4 张什么牌算法最多?
[脑筋急转] - jinjing(0 bytes )
2011-04-21
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#跟帖# 题目可改为几号美女夺冠(翻身次数最多).
[脑筋急转] - jinjing(0 bytes )
2011-04-21
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#跟帖# say something.
[脑筋急转] - jinjing(147 bytes )
2011-04-04
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#跟帖# 数学证明，先手赢，就种中心就行．
[脑筋急转] - jinjing(265 bytes )
2011-03-22
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#跟帖# smart, Please, you&rustican check my second proof for SAP Q.
[脑筋急转] - jinjing(24 bytes )
2011-03-21
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#跟帖# 1,4,10,13,16,19,22,25......3M+1 FIRST LOST.I already proved.
[脑筋急转] - jinjing(172 bytes )
2011-03-21
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#跟帖# OK.
[脑筋急转] - jinjing(0 bytes )
2011-03-21
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页次：7/18
每页50条记录，
本页显示301
到350，
共897
分页：
[<<]
[上一页]
[6]
[7]
[8]
[9]
[10]
[下一页]
[>>]
[首页]
[尾页]
|
| 备份档案：
当前
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| 2022
| 2021
| 2020
| 2019
| 2018
| 2017
| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
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| 2006
| 2005
| 2004
| 2003
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