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頁次：1/2
每頁50條記錄，
本頁顯示1
到50，
共56
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#跟帖# 怎麽才能想到構造那個不等式呢？
[腦筋急轉] - calligraphy(0 bytes )
2015-05-03
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#跟帖# 小學生做中學生競賽題？
[腦筋急轉] - calligraphy(0 bytes )
2014-11-19
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#跟帖# 21 + 15 > 30
[腦筋急轉] - calligraphy(0 bytes )
2014-01-17
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mathcounts conuting problem
[腦筋急轉] - calligraphy(123 bytes )
2013-12-19
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#跟帖# 回複：求助：這些數字排列有何規律？
[腦筋急轉] - calligraphy(135 bytes )
2012-12-29
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#跟帖# 是否可以這樣想？
[腦筋急轉] - calligraphy(198 bytes )
2012-12-29
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我也跟不上。隻能再敲一邊。
[腦筋急轉] - calligraphy(1106 bytes )
2012-11-19
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#跟帖# 99%的工程師們都不會算錯。
[腦筋急轉] - calligraphy(0 bytes )
2012-11-08
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#跟帖# 第一個的試解：
[腦筋急轉] - calligraphy(283 bytes )
2012-10-20
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#跟帖# 估計要用抽屜原理，我得使勁想想。過兩天。
[腦筋急轉] - calligraphy(0 bytes )
2012-09-12
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#跟帖# 回複：一道MATHCOUNTS習題
[腦筋急轉] - calligraphy(614 bytes )
2012-09-11
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一道MATHCOUNTS習題
[腦筋急轉] - calligraphy(132 bytes )
2012-09-11
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#跟帖# 回複：It is Great for an amater. I like music , calligraphy and wei
[腦筋急轉] - calligraphy(35 bytes )
2011-07-31
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#跟帖# 回複：揩書最難藏拙,能寫,就不容易了.苗女畫得不錯,手掌最難畫,勇氣可佳.
[腦筋急轉] - calligraphy(88 bytes )
2011-07-30
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支持一下書畫群組吧，傳統藝術，去加油
[腦筋急轉] - calligraphy(215 bytes )
2011-07-30
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#跟帖# further refined solution
[腦筋急轉] - calligraphy(143 bytes )
2011-04-05
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#跟帖# refined solution
[腦筋急轉] - calligraphy(840 bytes )
2011-04-05
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any better way to solve it?
[腦筋急轉] - calligraphy(2183 bytes )
2011-04-04
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#跟帖# 小結巴結結結結巴
[腦筋急轉] - calligraphy(23 bytes )
2011-02-17
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#跟帖# a similar one
[腦筋急轉] - calligraphy(920 bytes )
2011-02-15
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#跟帖# 回複：平方和
[腦筋急轉] - calligraphy(18 bytes )
2011-02-15
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#跟帖# 大結結結結結巴
[腦筋急轉] - calligraphy(0 bytes )
2011-02-11
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#跟帖# "to see a star" better to be "to see THE start", please read my
[腦筋急轉] - calligraphy(0 bytes )
2011-02-03
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#跟帖# 回複：Thanks,Xephisiss-231only one star,...I guess,the oringinal qu
[腦筋急轉] - calligraphy(330 bytes )
2011-02-03
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#跟帖# comet prediction and hurricane forcast - Make the problem cleare
[腦筋急轉] - calligraphy(625 bytes )
2011-02-03
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#跟帖# 回複：本來就不是什麽條件概率
[腦筋急轉] - calligraphy(151 bytes )
2011-02-03
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#跟帖# 回複：謝提問,如過您有獨立事件,條件概率的概念,我們再細談,先看例子.
[腦筋急轉] - calligraphy(16 bytes )
2011-02-02
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#跟帖# 回複：Thanks,your Method is right for tutoring your son.I think,
[腦筋急轉] - calligraphy(409 bytes )
2011-01-09
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#跟帖# 回複：You can read "BOROTHER' 1/4 answer,but
[腦筋急轉] - calligraphy(261 bytes )
2011-01-09
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#跟帖# some comments
[腦筋急轉] - calligraphy(1893 bytes )
2011-01-09
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#跟帖# isn't o =2?
[腦筋急轉] - calligraphy(0 bytes )
2011-01-07
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#跟帖# D is not 5. Then this might be the abswer:
[腦筋急轉] - calligraphy(31 bytes )
2011-01-07
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#跟帖# no solution in this case
[腦筋急轉] - calligraphy(0 bytes )
2010-12-17
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#跟帖# nice
[腦筋急轉] - calligraphy(0 bytes )
2010-12-17
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#跟帖# very nice
[腦筋急轉] - calligraphy(0 bytes )
2010-12-17
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#跟帖# agree
[腦筋急轉] - calligraphy(0 bytes )
2010-12-01
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#跟帖# agree
[腦筋急轉] - calligraphy(0 bytes )
2010-11-17
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#跟帖# 回複：回複：ok, i see; you got it already. But you might want to put y
[腦筋急轉] - calligraphy(86 bytes )
2010-11-17
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#跟帖# 回複：填字遊戲 - 頂上來討論(by wushuihe)
[腦筋急轉] - calligraphy(55 bytes )
2010-11-17
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#跟帖# 回複：ok, i see; you got it already. But you might want to put yo
[腦筋急轉] - calligraphy(62 bytes )
2010-11-17
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#跟帖# 回複：ok, i see; you got it already. But you might want to put yo
[腦筋急轉] - calligraphy(172 bytes )
2010-11-17
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#跟帖# my solution
[腦筋急轉] - calligraphy(451 bytes )
2010-11-17
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#跟帖# 回複：a different way to look at it
[腦筋急轉] - calligraphy(12 bytes )
2010-11-01
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#跟帖# the cycles are shorter than mine
[腦筋急轉] - calligraphy(0 bytes )
2010-09-07
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#跟帖# I am a dummy level, and my answer is the same as other two.
[腦筋急轉] - calligraphy(472 bytes )
2010-09-07
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#跟帖# very good!
[腦筋急轉] - calligraphy(0 bytes )
2010-09-02
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#跟帖# 回複：下麵找路的題重貼-3 星
[腦筋急轉] - calligraphy(776 bytes )
2010-03-13
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#跟帖# 回複：1.5 star star- finding road
[腦筋急轉] - calligraphy(292 bytes )
2010-03-13
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#跟帖# 回複：1.5 star star- finding road
[腦筋急轉] - calligraphy(101 bytes )
2010-03-13
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#跟帖# 回複：回複：回複：回複：even start with your approach, you should..
[腦筋急轉] - calligraphy(80 bytes )
2010-03-13
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頁次：1/2
每頁50條記錄，
本頁顯示1
到50，
共56
分頁：
[1]
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[尾頁]
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