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页次：4/11
每页50条记录，
本页显示151
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共502
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#跟帖# 好题目,请看通解,不知对否,指正.
[脑筋急转] - jinjing(106 bytes )
2011-09-26
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#跟帖# Please see the writer's words,mine is diferent for this question
[脑筋急转] - jinjing(0 bytes )
2011-09-25
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#跟帖# 回复： A72, B36, C 第一步就会得108,因如C=36A第二步就得到72.
[脑筋急转] - jinjing(115 bytes )
2011-09-25
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#跟帖# a,b,c都不等,.
[脑筋急转] - jinjing(0 bytes )
2011-09-25
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#跟帖# 27,81,108.
[脑筋急转] - jinjing(0 bytes )
2011-09-23
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#跟帖# 是不是18.30350751
[脑筋急转] - jinjing(44 bytes )
2011-09-21
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#跟帖# Prob. tree can tell you everything.
[脑筋急转] - jinjing(0 bytes )
2011-09-20
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#跟帖# 网上老师,是大学比较差的...用条件期望算,可以,自找麻烦.
[脑筋急转] - jinjing(0 bytes )
2011-09-19
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#跟帖# Thanks,the artical is not professonal. Believe youself.
[脑筋急转] - jinjing(93 bytes )
2011-09-19
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#跟帖# 请示网址,
[脑筋急转] - jinjing(0 bytes )
2011-09-19
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#跟帖# wrong
[脑筋急转] - jinjing(0 bytes )
2011-09-19
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#跟帖# Interesting.
[脑筋急转] - jinjing(0 bytes )
2011-09-19
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#跟帖# 从网上找出的结果是不对的,任何指定的序列概率都一样.
[脑筋急转] - jinjing(279 bytes )
2011-09-19
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#跟帖# 回复：从连续抛硬币引出的概率题。
[脑筋急转] - jinjing(0 bytes )
2011-09-19
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#跟帖# "Hilbert"解
[脑筋急转] - jinjing(293 bytes )
2011-09-18
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#跟帖# 3) 瞎猫死鼠解.
[脑筋急转] - jinjing(140 bytes )
2011-09-18
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#跟帖# 从网上找出的结果是不对的,任何指定的序列概率都一样.
[脑筋急转] - jinjing(290 bytes )
2011-09-18
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#跟帖# More Math.
[脑筋急转] - jinjing(181 bytes )
2011-09-17
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#跟帖# 回复：纳什博弈论的原理与应用
[脑筋急转] - jinjing(123 bytes )
2011-09-15
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#跟帖# 朋友,别发牢骚,不喜欢就转行.不过您数学不错,是不是说怪话.
[脑筋急转] - jinjing(339 bytes )
2011-09-15
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#跟帖# 6370/6400*85=84
[脑筋急转] - jinjing(0 bytes )
2011-09-15
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#跟帖# Thx, my earth radius is too long ,if it is 6370km,the answer is
[脑筋急转] - jinjing(59 bytes )
2011-09-15
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#跟帖# 回复：回复：Yes, (2^2+3^2)^,5+0+[(7-2)^2+(8-3)^2)]^.5=10.67...
[脑筋急转] - jinjing(79 bytes )
2011-09-14
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#跟帖# 又算错,周期T约=85分.
[脑筋急转] - jinjing(0 bytes )
2011-09-14
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a hole on earth:
[脑筋急转] - jinjing(384 bytes )
2011-09-13
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#跟帖# 回复：回复：求最近距离
[脑筋急转] - jinjing(47 bytes )
2011-09-04
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#跟帖# It should be 1/2(dx/dt)^2+xg=Rg, It is equation of simple harmon
[脑筋急转] - jinjing(86 bytes )
2011-09-04
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#跟帖# Yes, (2^2+3^2)^,5+0+[(7-2)^2+(8-3)^2)]^.5=10.67...
[脑筋急转] - jinjing(0 bytes )
2011-09-02
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#跟帖# 当然,3点一线,得无穷....
[脑筋急转] - jinjing(0 bytes )
2011-09-01
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#跟帖# 又不对,答案是不是10.67.
[脑筋急转] - jinjing(0 bytes )
2011-09-01
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#跟帖# 大错也没人应,...太冷场了.答案是11.1.
[脑筋急转] - jinjing(0 bytes )
2011-09-01
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#跟帖# 回复：求最近距离
[脑筋急转] - jinjing(15 bytes )
2011-09-01
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#跟帖# f(1/2)is the Max,(0,1/2)going up,(1/2,1)going down.
[脑筋急转] - jinjing(172 bytes )
2011-09-01
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#跟帖# 回复：x is close to 1,lnln1/x is undefined.
[脑筋急转] - jinjing(39 bytes )
2011-08-29
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#跟帖# f^(n)(0)=(-1)^(n-1)*n!.shouldbe changed to f^(2^(t-1))(0)=(-1)^(
[脑筋急转] - jinjing(0 bytes )
2011-08-29
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#跟帖# I think It is not right. Your function is not continuous at x=0.
[脑筋急转] - jinjing(257 bytes )
2011-08-29
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#跟帖# Sorry, It should be: (R+r-h)h=(R+r)^2-R^2-h^2,...
[脑筋急转] - jinjing(0 bytes )
2011-08-15
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#跟帖# (R+r-h)^2=(R+r)^2-R^2-h^2,...
[脑筋急转] - jinjing(0 bytes )
2011-08-15
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#跟帖# It has relation with the rotation of the Earth.
[脑筋急转] - jinjing(0 bytes )
2011-08-15
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#跟帖# You Rit. We also can use similar tringles and ...getting h(r-h)=
[脑筋急转] - jinjing(0 bytes )
2011-08-15
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#跟帖# Yes.Only estimat,we don't know the time,it has relation with the
[脑筋急转] - jinjing(0 bytes )
2011-08-15
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#跟帖# 不是曲面积分。是积分求旋转面.
[脑筋急转] - jinjing(203 bytes )
2011-08-15
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#跟帖# sorry, youare right.
[脑筋急转] - jinjing(0 bytes )
2011-08-13
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#跟帖# r/2(R+r)=about 4%o.Please note the tangent line.
[脑筋急转] - jinjing(0 bytes )
2011-08-13
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#跟帖# about 4%.?
[脑筋急转] - jinjing(0 bytes )
2011-08-12
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#跟帖# The intui tion solution. 15young ,this is ...
[脑筋急转] - jinjing(1417 bytes )
2011-08-12
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#跟帖# From E.LTrils, plus one point at most incrse 2A, 1B, later 2A,2B
[脑筋急转] - jinjing(294 bytes )
2011-08-11
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#跟帖# Your proof is wrong in logic.
[脑筋急转] - jinjing(0 bytes )
2011-08-11
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#跟帖# My proof.
[脑筋急转] - jinjing(272 bytes )
2011-08-11
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#跟帖# you are right.thx.
[脑筋急转] - jinjing(0 bytes )
2011-08-09
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页次：4/11
每页50条记录，
本页显示151
到200，
共502
分页：
[上一页]
[1]
[2]
[3]
[4]
[5]
[下一页]
[>>]
[首页]
[尾页]
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