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页次：9/18
每页50条记录，
本页显示401
到450，
共897
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#跟帖# Dear friend,I'm not in home or college,if you can read English
[脑筋急转] - jinjing(187 bytes )
2011-02-05
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#跟帖# P(-A)=1-p,P(-B)=1-p,P((-A))*(-B))=(1-p)(1-p)=P(-A)*P(-B),so,(-A)
[脑筋急转] - jinjing(25 bytes )
2011-02-04
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#跟帖# 别放弃,我不会逗您玩,您自信很好,
[脑筋急转] - jinjing(60 bytes )
2011-02-04
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#跟帖# 定义:P(X*Y)=P(X)*P(Y)
[脑筋急转] - jinjing(22 bytes )
2011-02-04
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#跟帖# 如果盒子没先后,问题就不一样了.
[脑筋急转] - jinjing(0 bytes )
2011-02-04
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#跟帖# 我说的是A看不到，B看不到，它们是独立事件,您不懂定义.很难谈.................................
[脑筋急转] - jinjing(0 bytes )
2011-02-04
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#跟帖# 如果您不知道概率树,那难理解.各时段看不到流星的事件是独立事件.................................
[脑筋急转] - jinjing(0 bytes )
2011-02-04
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#跟帖# 一个反例,可能有用.
[脑筋急转] - jinjing(116 bytes )
2011-02-04
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#跟帖# 谢提问,请注意您说转盘转得太快,就是想摆脱随机过程,以求同时,但不是同时............................
[脑筋急转] - jinjing(115 bytes )
2011-02-04
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#跟帖# A,B,C,D,Eand F are 互斥事件.
[脑筋急转] - jinjing(41 bytes )
2011-02-03
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#跟帖# 回复：不给盒子标号了，涂成红绿黄蓝黑白六色，哪一个有32%的概率得到球？
[脑筋急转] - jinjing(113 bytes )
2011-02-03
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有N颗流星在一个小时内看到流星概率为0.9,问第一个10分钟看到的概率,设每时刻看到的概率相同.
[脑筋急转] - jinjing(224 bytes )
2011-02-03
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#跟帖# 如过有很多星,布的算法结过一样,但不如一个清处.他其实用集合的加法.
[脑筋急转] - jinjing(0 bytes )
2011-02-03
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#跟帖# one comet is not a shooting star.
[脑筋急转] - jinjing(86 bytes )
2011-02-03
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#跟帖# Thanks,Xephisiss-231only one star,...I guess,the oringinal quest
[脑筋急转] - jinjing(226 bytes )
2011-02-03
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#跟帖# 是的,因为第二盒子,只有1-.32=.68的机会投,.68*.32=.22=22%.
[脑筋急转] - jinjing(149 bytes )
2011-02-03
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#跟帖# 最优解是从反面开始.
[脑筋急转] - jinjing(274 bytes )
2011-02-03
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#跟帖# 谢谢,新春好.
[脑筋急转] - jinjing(0 bytes )
2011-02-02
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#跟帖# 谢提问,如过您有独立事件,条件概率的概念,我们再细谈,先看例子.
[脑筋急转] - jinjing(231 bytes )
2011-02-02
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关于SHOOTING ＳＴＡＲ QUESTION.
[脑筋急转] - jinjing(553 bytes )
2011-02-01
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#跟帖# the answer=(1+3^.5)/2
[脑筋急转] - jinjing(0 bytes )
2011-01-22
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#跟帖# I think you are too careless and put 2 instead of 1/2....the ans
[脑筋急转] - jinjing(0 bytes )
2011-01-22
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#跟帖# It does not have a limit or +00.
[脑筋急转] - jinjing(147 bytes )
2011-01-22
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#跟帖# Thanks,you are right. A old want to say....why the big one is no
[脑筋急转] - jinjing(302 bytes )
2011-01-21
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#跟帖# 您祘回了,但您不对,是加号.
[脑筋急转] - jinjing(0 bytes )
2011-01-18
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#跟帖# My friend,you'r great,a>e^(1/e) An is divergent. Why?Because...
[脑筋急转] - jinjing(127 bytes )
2011-01-18
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#跟帖# 您对.
[脑筋急转] - jinjing(0 bytes )
2011-01-18
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#跟帖# 好,您可能笔误,是r^2 不是v^2.
[脑筋急转] - jinjing(0 bytes )
2011-01-18
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#跟帖# When I can't your thanks, I check my answer again,my god......
[脑筋急转] - jinjing(846 bytes )
2011-01-18
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#跟帖# 如不产生共震,慢较安全.特别下弯路面,除了车动能,还有
[脑筋急转] - jinjing(24 bytes )
2011-01-18
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#跟帖# Thanks,but you are...,Newton was not clear,...100 more years Cau
[脑筋急转] - jinjing(287 bytes )
2011-01-17
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#跟帖# 回复：回复：Yes,you're right.
[脑筋急转] - jinjing(205 bytes )
2011-01-16
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#跟帖# Hi,If you try a
[脑筋急转] - jinjing(130 bytes )
2011-01-16
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#跟帖# Yes,you're right.
[脑筋急转] - jinjing(316 bytes )
2011-01-16
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#跟帖# I'm very glad for your paper,but I'm right & you are ...
[脑筋急转] - jinjing(527 bytes )
2011-01-16
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#跟帖# 谢谢杂家小宁波.
[脑筋急转] - jinjing(114 bytes )
2011-01-13
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#跟帖# 您到哪,哪热闹,欢迎常来,回坛胡涂人太多.谢谢黄泥螺和鳗鱼干.
[脑筋急转] - jinjing(0 bytes )
2011-01-09
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#跟帖# You can read "BOROTHER' 1/4 answer,but
[脑筋急转] - jinjing(98 bytes )
2011-01-09
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#跟帖# Thanks,your Method is right for tutoring your son.I think,
[脑筋急转] - jinjing(207 bytes )
2011-01-09
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#跟帖# ★★★★★★★★?可能理解错,很容易,人数可以无穷.
[脑筋急转] - jinjing(170 bytes )
2011-01-09
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#跟帖# Great, we want to a unique answer,have to say D=5 or D=4,...But
[脑筋急转] - jinjing(117 bytes )
2011-01-07
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#跟帖# You are right, I lost o =2, So,this Q is perfect. Don't be revi
[脑筋急转] - jinjing(40 bytes )
2011-01-07
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#跟帖# Changing S to U is better.
[脑筋急转] - jinjing(0 bytes )
2011-01-07
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#跟帖# 回复：新年考试题，做对的吃宁波汤团.
[脑筋急转] - jinjing(176 bytes )
2011-01-07
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#跟帖# 谢谢,您不走,我奉陪.
[脑筋急转] - jinjing(124 bytes )
2011-01-05
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The Twins of ...(1+Sq2)^501...
[脑筋急转] - jinjing(336 bytes )
2011-01-04
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#跟帖# 谢谢,您写得很好,有条理.
[脑筋急转] - jinjing(55 bytes )
2011-01-04
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#跟帖# 正解,JJ解,圈太小.
[脑筋急转] - jinjing(0 bytes )
2011-01-03
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#跟帖# 007,皆兄弟,...快回来...
[脑筋急转] - jinjing(264 bytes )
2011-01-03
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#跟帖# 糖水的表面张力最大,水边缘"爬"得高的是糖水.
[脑筋急转] - jinjing(24 bytes )
2010-12-20
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页次：9/18
每页50条记录，
本页显示401
到450，
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
| 2023
| 2022
| 2021
| 2020
| 2019
| 2018
| 2017
| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
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| 2007
| 2006
| 2005
| 2004
| 2003
|