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頁次：2/4
每頁50條記錄，
本頁顯示51
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共190
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#跟帖# 拉馬努金是真天才,憑直覺發現公式,可惜他用功過度折壽了.我見過華老,他很
[腦筋急轉] - jinjing(97 bytes )
2012-08-06
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#跟帖# http://bbs.wenxuecity.com/netiq/133187.html
[腦筋急轉] - jinjing(0 bytes )
2012-08-06
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#跟帖# 數學專業,70多歲老玩童.我去年貼子您可看一下. http://bbs.wenxuecity.com/netiq/133187.
[腦筋急轉] - jinjing(0 bytes )
2012-08-06
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#跟帖# For kids : 31415925/10000000=1256637/4000000
[腦筋急轉] - jinjing(0 bytes )
2012-08-04
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#跟帖# By numer theory should be 3/1.22/7, 333/106,355/113,103993/33102
[腦筋急轉] - jinjing(0 bytes )
2012-08-04
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#跟帖# 不對啊．
[腦筋急轉] - jinjing(0 bytes )
2012-07-17
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#跟帖# Ｌｅｉｂｎｉｚ＇ Ｔｅｓｔ．
[腦筋急轉] - jinjing(0 bytes )
2012-07-16
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#跟帖# 我以為您是文科生．某些函數不動點可用此法．最佳逼進很快．
[腦筋急轉] - jinjing(35 bytes )
2012-07-15
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#跟帖# 回複：請具體說說你的方法
[腦筋急轉] - jinjing(330 bytes )
2012-07-15
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#跟帖# 回複：求方程x-cos(x)=0精確到小數點後九位的近似根，隻準使用不能編程序的計算器
[腦筋急轉] - jinjing(59 bytes )
2012-07-14
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#跟帖# 很好,...,加一說明更好: m mod m=m. ...
[腦筋急轉] - jinjing(0 bytes )
2012-07-11
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#跟帖# 回複：= 3 * sqrt(3)
[腦筋急轉] - jinjing(17 bytes )
2012-06-26
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#跟帖# should be f(m+1)=7+f(m)-(m+1)*[(6+f(m))/(m+1)],f(25)=15.
[腦筋急轉] - jinjing(0 bytes )
2012-06-23
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#跟帖# m>7. f(m) : last number for m. f(1)=1,f(2)=2,...,f(7)=5, ...,
[腦筋急轉] - jinjing(98 bytes )
2012-06-21
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#跟帖# Recursive formula : f(m+1)=7+f(m)-(m+1)*[(7+f(m))/(m+1)]
[腦筋急轉] - jinjing(51 bytes )
2012-06-21
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#跟帖# 15
[腦筋急轉] - jinjing(0 bytes )
2012-06-19
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#跟帖# 不謝,有一氣嗬成的解法.一方程可也.但是腦要靈.
[腦筋急轉] - jinjing(102 bytes )
2012-06-01
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#跟帖# 回複：回複：回複：幾何題
[腦筋急轉] - jinjing(149 bytes )
2012-05-31
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#跟帖# 回複：幾何題
[腦筋急轉] - jinjing(27 bytes )
2012-05-31
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#跟帖# you are too pure,...,two exampes were said something else...
[腦筋急轉] - jinjing(0 bytes )
2012-05-24
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#跟帖# 密碼841=密碼29*29=密碼C^2=密碼王......SO,...
[腦筋急轉] - jinjing(85 bytes )
2012-05-24
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#跟帖# 7958=2*23*173=BＷＱ =BEST ＷＥＢ ＱＵＥＳＴＩＯＮ．
[腦筋急轉] - jinjing(33 bytes )
2012-05-23
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#跟帖# 太自信的老頑固.錯的概率就大.
[腦筋急轉] - jinjing(0 bytes )
2012-05-16
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#跟帖# thx. very sad. all together 6 for 1.so only 10. I'm wrong.70 is
[腦筋急轉] - jinjing(0 bytes )
2012-05-14
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#跟帖# 0.種無圖.您用java,c++check again.CP sometime is ...
[腦筋急轉] - jinjing(0 bytes )
2012-05-14
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#跟帖# 開個玩笑才熱鬧.
[腦筋急轉] - jinjing(0 bytes )
2012-05-14
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#跟帖# programming should be following Math. I'll put some cases you lo
[腦筋急轉] - jinjing(0 bytes )
2012-05-14
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#跟帖# 120是答案,請告我題出處.應去改正.我錯的概率不大.
[腦筋急轉] - jinjing(246 bytes )
2012-05-14
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#跟帖# 我都七十多了,競什麽標.防老而已.本題有過程.是同構.6人每人打三次.
[腦筋急轉] - jinjing(203 bytes )
2012-05-13
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#跟帖# 數學答案隻有對錯,不分地方.
[腦筋急轉] - jinjing(0 bytes )
2012-05-12
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#跟帖# 60....6人坐圓桌,鄰不打,其餘打,5!/2=60.我又忘了2,與換書不同.
[腦筋急轉] - jinjing(23 bytes )
2012-05-12
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#跟帖# 回複：又一道有趣的數學題
[腦筋急轉] - jinjing(11 bytes )
2012-05-11
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#跟帖# 6/11=.545=.55=.6=60分.
[腦筋急轉] - jinjing(0 bytes )
2012-05-09
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#跟帖# 1,田.2,畝.3,由.,甲,申.4,相.5,6,米.7,泃.8,二.9,閂.10,二.11,各...60分?
[腦筋急轉] - jinjing(0 bytes )
2012-05-08
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#跟帖# ... {[C(N, n1)C(N-n1,n2)..C(N-n1-n2-...n(k-1,nk)/D(n1,n2m,,,nk)]
[腦筋急轉] - jinjing(0 bytes )
2012-05-06
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#跟帖# F(N) = SUM_(n1 + n2 + ... nk=N, ni >=3 ) {[C(N, n1)C(N-n1,n2)..
[腦筋急轉] - jinjing(66 bytes )
2012-05-06
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#跟帖# 回複：If the total people is 7, what is the number of 3+4 part? Is
[腦筋急轉] - jinjing(120 bytes )
2012-05-05
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#跟帖# If two people can exchange each other.the answer is 265 cases.
[腦筋急轉] - jinjing(0 bytes )
2012-05-04
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#跟帖# You are right, should be C(6,3)/2*2*2 + 6!/6=160. two parts 10 c
[腦筋急轉] - jinjing(96 bytes )
2012-05-04
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#跟帖# 回複：回複：Yes, I think C(6,3)*2*2+6!/6=200..
[腦筋急轉] - jinjing(360 bytes )
2012-05-04
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#跟帖# Yes, I think C(6,3)*2*2+6!/6=200..
[腦筋急轉] - jinjing(320 bytes )
2012-05-04
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#跟帖# I think C(6,3)*2*2+6!/6=200..
[腦筋急轉] - jinjing(0 bytes )
2012-05-04
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#跟帖# 您的題比原題好.
[腦筋急轉] - jinjing(0 bytes )
2012-05-03
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#跟帖# 歡迎光臨,這裏人講道理.回壇糊塗人太多.
[腦筋急轉] - jinjing(0 bytes )
2012-05-02
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#跟帖# 1428570
[腦筋急轉] - jinjing(0 bytes )
2012-05-02
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#跟帖# 17 !/ (i^3-1), i=2,3,...,15,16.
[腦筋急轉] - jinjing(0 bytes )
2012-04-25
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#跟帖# 您可改2003為2012....(2012,16)=4,...有4組解.
[腦筋急轉] - jinjing(59 bytes )
2012-04-24
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#跟帖# 幾十年前,讀過"數論導引",有兩條定理,證明較長.現簡敘如下:
[腦筋急轉] - jinjing(265 bytes )
2012-04-24
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#跟帖# 回複：What is relation? your 1 to 6 is just my proof. my 2011/2 out
[腦筋急轉] - jinjing(0 bytes )
2012-04-24
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#跟帖# 不敢當,
[腦筋急轉] - jinjing(0 bytes )
2012-04-23
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頁次：2/4
每頁50條記錄，
本頁顯示51
到100，
共190
分頁：
[上一頁]
[1]
[2]
[3]
[4]
[下一頁]
[首頁]
[尾頁]
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| 備份檔案：
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