欢迎查询 |
| 备份档案：
当前
| 2023
| 2022
| 2021
| 2020
| 2019
| 2018
| 2017
| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
| 2008
| 2007
| 2006
| 2005
| 2004
| 2003
|
|
页次：3/11
每页50条记录，
本页显示101
到150，
共502
分页：
[上一页]
[1]
[2]
[3]
[4]
[5]
[下一页]
[>>]
[首页]
[尾页]
|
|
|
•
#跟帖# 答皆兄与１２３问:莫绍揆
[脑筋急转] - jinjing(97 bytes )
2011-10-19
|
|
|
•
S(n+1)=aS(n)+bS(n-1)，答皆兄与１２３问
[脑筋急转] - jinjing(495 bytes )
2011-10-18
|
|
|
•
#跟帖# 回复：呵呵，很聪明
[脑筋急转] - jinjing(99 bytes )
2011-10-18
|
|
|
•
#跟帖# 谢谢，我是说一般．
[脑筋急转] - jinjing(0 bytes )
2011-10-17
|
|
|
•
#跟帖# 对不起,压后,一般不是椭圆.我们可这样做.
[脑筋急转] - jinjing(171 bytes )
2011-10-17
|
|
|
•
#跟帖# 题是笑话,陈家的事...
[脑筋急转] - jinjing(263 bytes )
2011-10-17
|
|
|
•
#跟帖# 回复：这个很难，很想知道答案
[脑筋急转] - jinjing(84 bytes )
2011-10-17
|
|
|
•
#跟帖# 3*3^.5/4*ab.
[脑筋急转] - jinjing(0 bytes )
2011-10-17
|
|
|
•
#跟帖# 回复：纯几何方法繁...
[脑筋急转] - jinjing(115 bytes )
2011-10-16
|
|
|
•
#跟帖# 没人答我的题,难过哦,老小老小,一点不假.
[脑筋急转] - jinjing(44 bytes )
2011-10-16
|
|
|
•
#跟帖# 纯几何方法繁...
[脑筋急转] - jinjing(65 bytes )
2011-10-16
|
|
|
•
#跟帖# 请猜下面我的题,再给解法.
[脑筋急转] - jinjing(0 bytes )
2011-10-16
|
|
|
•
说了一句什么话可得一百分,
[脑筋急转] - jinjing(148 bytes )
2011-10-14
|
|
|
•
#跟帖# b=2a,T(1)=T(2)=...T(i)=...=1should be a=2b,T(1)=T(2)=...T(i)=...
[脑筋急转] - jinjing(38 bytes )
2011-10-14
|
|
|
•
#跟帖# 回复："当m = 1，根据（1）和（2），D(1) = T(2) - T(1) = 1/2 = (-1)^2 / 2! "
[脑筋急转] - jinjing(254 bytes )
2011-10-13
|
|
|
•
#跟帖# D(k +1) = - D(k) / (k +2) =D(k-1)/(k+1)(k+2)= - D(k-2)/k(k+1)(k+
[脑筋急转] - jinjing(150 bytes )
2011-10-13
|
|
|
•
#跟帖# 我就是太强调2,糊涂判定发散...
[脑筋急转] - jinjing(0 bytes )
2011-10-12
|
|
|
•
#跟帖# 老人顽固啊...
[脑筋急转] - jinjing(0 bytes )
2011-10-12
|
|
|
•
#跟帖# 可用直接法.
[脑筋急转] - jinjing(0 bytes )
2011-10-12
|
|
|
•
#跟帖# 错.
[脑筋急转] - jinjing(0 bytes )
2011-10-12
|
|
|
•
#跟帖# 糊涂到顶,给出了处处收敛的条件,..说不...
[脑筋急转] - jinjing(0 bytes )
2011-10-12
|
|
|
•
#跟帖# 回家了,给一个一般解.
[脑筋急转] - jinjing(274 bytes )
2011-10-12
|
|
|
•
#跟帖# Great, I was alittle bit drunk last day, If I were normal I woul
[脑筋急转] - jinjing(0 bytes )
2011-10-11
|
|
|
•
#跟帖# 请示答案.
[脑筋急转] - jinjing(0 bytes )
2011-10-10
|
|
|
•
#跟帖# Sorry, you lost 2^n......S(n+1) < 2nS(n) < ...2^n(n!)S(1)
[脑筋急转] - jinjing(0 bytes )
2011-10-10
|
|
|
•
#跟帖# Very good, but the type is different.
[脑筋急转] - jinjing(116 bytes )
2011-10-10
|
|
|
•
#跟帖# Ha,thank you, if the answer is Tra....number,The PS is wrong I''
[脑筋急转] - jinjing(30 bytes )
2011-10-10
|
|
|
•
#跟帖# This Q ,in fact,, is not good, If s!(1),s(2)>0,I think I'm right
[脑筋急转] - jinjing(214 bytes )
2011-10-10
|
|
|
•
#跟帖# 回复：设 S（n+1）=n*(S(n)+S(n-1))
[脑筋急转] - jinjing(29 bytes )
2011-10-10
|
|
|
•
#跟帖# 谢谢您的题目.
[脑筋急转] - jinjing(0 bytes )
2011-10-07
|
|
|
•
#跟帖# wxcfan123's answer can tell you how complex if we don't plus con
[脑筋急转] - jinjing(0 bytes )
2011-10-07
|
|
|
•
#跟帖# The detail of geometry is very good.
[脑筋急转] - jinjing(142 bytes )
2011-10-06
|
|
|
•
#跟帖# There are a lot of difficult SUDO if we insistant on pure logic.
[脑筋急转] - jinjing(55 bytes )
2011-10-04
|
|
|
•
#跟帖# A52=4,we can fix A12,A54,A58,A52=7only A12.
[脑筋急转] - jinjing(139 bytes )
2011-10-04
|
|
|
•
#跟帖# A52=4,wecan fix more box than 7, A82 also...
[脑筋急转] - jinjing(24 bytes )
2011-10-04
|
|
|
•
#跟帖# I can't dead Chinese in this CP, Please read my answer in bottom
[脑筋急转] - jinjing(0 bytes )
2011-10-03
|
|
|
•
#跟帖# 回复：有玩数独的吗？请教一个CASE。
[脑筋急转] - jinjing(158 bytes )
2011-10-03
|
|
|
•
#跟帖# 回复：有玩数独的吗？请教一个CASE。
[脑筋急转] - jinjing(160 bytes )
2011-10-03
|
|
|
•
#跟帖# A,B,C不等,是隐含条件.但不加,答案太多.太复杂.如2,1,3等等...有失趣味.
[脑筋急转] - jinjing(36 bytes )
2011-09-30
|
|
|
•
#跟帖# 平,平,交;2平面平行都和第三平面交,重重交: 2平面重合与第三平面交,不可能吗?
[脑筋急转] - jinjing(19 bytes )
2011-09-29
|
|
|
•
#跟帖# 143555,143547,...X.
[脑筋急转] - jinjing(0 bytes )
2011-09-29
|
|
|
•
#跟帖# 高考1962年这道题引争论.两个平面只有 平行、相交俩种关系.扣一分.
[脑筋急转] - jinjing(182 bytes )
2011-09-29
|
|
|
•
#跟帖# Your model is from p(T)=P(H)=1/2. one time, the formular are
[脑筋急转] - jinjing(203 bytes )
2011-09-29
|
|
|
•
#跟帖# 同想.
[脑筋急转] - jinjing(0 bytes )
2011-09-28
|
|
|
•
#跟帖# you are right as the P(HHT)=P(HTT)=1/8,but My solution is for tw
[脑筋急转] - jinjing(90 bytes )
2011-09-28
|
|
|
•
#跟帖# If the game is one by one the first win, P(W)=0.5333...
[脑筋急转] - jinjing(0 bytes )
2011-09-28
|
|
|
•
#跟帖# 欢迎归来,回坛糊涂人太多,脑坛太冷了.
[脑筋急转] - jinjing(40 bytes )
2011-09-28
|
|
|
•
#跟帖# 断小姐的趣题改编,因答案太复杂.只加一条A,B,C不等.
[脑筋急转] - jinjing(58 bytes )
2011-09-27
|
|
|
•
#跟帖# 回复：上网查了一下，本题确有三解如上所述。（本人回这题的最后一贴，因上网后就不是自己做的了)）
[脑筋急转] - jinjing(0 bytes )
2011-09-27
|
|
|
•
#跟帖# Please note "IF"
[脑筋急转] - jinjing(0 bytes )
2011-09-26
|
|
页次：3/11
每页50条记录，
本页显示101
到150，
共502
分页：
[上一页]
[1]
[2]
[3]
[4]
[5]
[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
| 2008
| 2007
| 2006
| 2005
| 2004
| 2003
|