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頁次：6/10
每頁50條記錄，
本頁顯示251
到300，
共463
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#跟帖# 回複：四位平方數，前兩位和後兩位都相同，怎麽求？（知道是7744，但怎麽推呢？
[腦筋急轉] - jinjing(109 bytes )
2010-06-16
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#跟帖# Blue too busy, I try...
[腦筋急轉] - jinjing(296 bytes )
2010-06-16
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#跟帖# Here,C(p,0)=0
[腦筋急轉] - jinjing(0 bytes )
2010-06-14
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#跟帖# 回複：演變1：任取（不分次序）k個小於等於N的正整數，求其和為M的概率？
[腦筋急轉] - jinjing(231 bytes )
2010-06-14
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#跟帖# 直接法也可,原題改成15為佳,20太累人了.
[腦筋急轉] - Jinjing(400 bytes )
2010-06-10
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#跟帖# 謝謝您,讓我回意起童年,...
[腦筋急轉] - jinjing(304 bytes )
2010-06-08
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#跟帖# 0.0026355 is the exact answer,if I do well.
[腦筋急轉] - jinjing(221 bytes )
2010-06-08
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#跟帖# $1,$10,$100,換,否則不換.
[腦筋急轉] - jinjing(151 bytes )
2010-06-07
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#跟帖# 對不起,我錯了,我看成乙班男生比甲班女生多8.
[腦筋急轉] - jinjing(0 bytes )
2010-06-07
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#跟帖# 對不起,您最後一題是錯的,請注意.
[腦筋急轉] - jinjing(48 bytes )
2010-06-07
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#跟帖# 回複：回複：兩個牧羊人的難題－－理解一下奧數教育的罪惡與愚昧
[腦筋急轉] - jinjing(0 bytes )
2010-06-07
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#跟帖# 回複：兩個牧羊人的難題－－理解一下奧數教育的罪惡與愚昧
[腦筋急轉] - jinjing(0 bytes )
2010-06-07
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#跟帖# 回複：依次任取7個小於等於10的正整數，求其和為20的概率？
[腦筋急轉] - jinjing(317 bytes )
2010-06-07
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#跟帖# 回複：猜帽子的顏色！
[腦筋急轉] - jinjing(28 bytes )
2010-06-04
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#跟帖# 回複：72 and 70 - my guess
[腦筋急轉] - jinjing(89 bytes )
2010-06-03
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#跟帖# 回複：中國哪個學校的畢業生最腐敗?
[腦筋急轉] - jinjing(13 bytes )
2010-06-03
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#跟帖# Imposible.
[腦筋急轉] - jinjing(98 bytes )
2010-06-01
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#跟帖# i^4=1,i^8=1,...,i^4n=1,If think about complex number.
[腦筋急轉] - jinjing(15 bytes )
2010-06-01
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#跟帖# The answer only for 7 families.n families is (n-1)/(7n-1)
[腦筋急轉] - jinjing(24 bytes )
2010-06-01
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#跟帖# If m boys and n girls,answer is (m-1)/(m+n-1)
[腦筋急轉] - jinjing(42 bytes )
2010-05-30
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#跟帖# You and I are wrong
[腦筋急轉] - jinjing(0 bytes )
2010-05-29
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#跟帖# Kmm smart,007 tricky,they are important for us.
[腦筋急轉] - jinjing(260 bytes )
2010-05-29
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#跟帖# 13/27
[腦筋急轉] - jinjing(30 bytes )
2010-05-28
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#跟帖# 1/13
[腦筋急轉] - jinjing(38 bytes )
2010-05-28
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#跟帖# If you don't know the order the answer is 1/3
[腦筋急轉] - jinjing(206 bytes )
2010-05-28
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#跟帖# You want to creat a new fuzzy, or fussy Math.?
[腦筋急轉] - jinjing(16 bytes )
2010-05-28
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#跟帖# If you are right,it shoul be from real data.P(b)=13/27
[腦筋急轉] - jinjing(122 bytes )
2010-05-27
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#跟帖# All the same.I think.
[腦筋急轉] - jinjing(0 bytes )
2010-05-26
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#跟帖# I,m wrong,007 win
[腦筋急轉] - jinjing(0 bytes )
2010-05-26
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#跟帖# near (400/Pi)*li, You are right.
[腦筋急轉] - jinjing(126 bytes )
2010-05-26
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#跟帖# It May be near 200 li. (r/R)*100+100
[腦筋急轉] - jinjing(0 bytes )
2010-05-26
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#跟帖# Near 100 li.
[腦筋急轉] - jinjing(99 bytes )
2010-05-26
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#跟帖# 回複：algebra 2 question!!
[腦筋急轉] - jinjing(136 bytes )
2010-05-24
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#跟帖# 回複：Are there any consecutive unit fractions that....
[腦筋急轉] - jinjing(176 bytes )
2010-05-20
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#跟帖# 回複：The answer is ((A-C)(B-C))/C
[腦筋急轉] - jinjing(74 bytes )
2010-05-18
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#跟帖# 回複：來個簡單的：校對問題
[腦筋急轉] - jinjing(24 bytes )
2010-05-18
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#跟帖# 回複：no - ANSWER to this question is yes, (4.60338811)
[腦筋急轉] - jinjing(243 bytes )
2010-05-17
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#跟帖# 鴨在半徑為x 的圓上與狐周旋於同一直徑遠端，不可能.
[腦筋急轉] - jinjing(170 bytes )
2010-05-14
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#跟帖# 狐狸在岸上跑的速度是鴨子速度的4倍.not 4.6倍
[腦筋急轉] - jinjing(276 bytes )
2010-05-14
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#跟帖# 什麽最大圈繞至同徑最遠點,切線到岸,不知所雲.
[腦筋急轉] - Jinjing(77 bytes )
2010-05-13
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#跟帖# 回複：It can be proven that there is an infinite amount of prime nu
[腦筋急轉] - jinjing(275 bytes )
2010-05-13
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#跟帖# 題應改為:為什麽有時熱水（開水）比冷水結冰快
[腦筋急轉] - Jinjing(0 bytes )
2010-05-13
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#跟帖# 回複：我就這麽答
[腦筋急轉] - jinjing(101 bytes )
2010-05-11
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#跟帖# 回複：回複：質數的窮盡
[腦筋急轉] - jinjing(48 bytes )
2010-05-11
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#跟帖# You want to peep?
[腦筋急轉] - jinjing(0 bytes )
2010-05-11
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#跟帖# 1)x=2,F(75)=237.5,x=1,F(50)=125,x=.8,F(38)=110.2)x=2,F(75)=248.7
[腦筋急轉] - Jinjing(111 bytes )
2010-05-10
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#跟帖# you are right in math,but the poor duck has to swim a lot of cir
[腦筋急轉] - jinjing(44 bytes )
2010-05-10
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#跟帖# F(y)=[100xy+(100-y)(x*y+100)+(100-y)/2]/100,y=(100x-100)/2x
[腦筋急轉] - jinjing(42 bytes )
2010-05-10
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#跟帖# 回複：鴨子在r/4半徑的圓上可保持與狐狸在同一直徑而在中心兩側。
[腦筋急轉] - jinjing(47 bytes )
2010-05-09
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#跟帖# 回複：just delete that sentence
[腦筋急轉] - jinjing(393 bytes )
2010-05-09
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頁次：6/10
每頁50條記錄，
本頁顯示251
到300，
共463
分頁：
[<<]
[上一頁]
[6]
[7]
[8]
[9]
[10]
[下一頁]
[首頁]
[尾頁]
|
| 備份檔案：
當前
| 2023
| 2022
| 2021
| 2020
| 2019
| 2018
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| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
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| 2006
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| 2004
| 2003
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