歡迎查詢 |
| 備份檔案：
當前
| 2023
| 2022
| 2021
| 2020
| 2019
| 2018
| 2017
| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
| 2008
| 2007
| 2006
| 2005
| 2004
| 2003
|
|
頁次：1/11
每頁50條記錄，
本頁顯示1
到50，
共502
分頁：
[1]
[2]
[3]
[4]
[5]
[下一頁]
[>>]
[尾頁]
|
|
|
•
#跟帖# a2=110^.5, a3=90^.5, a4=60^.5, a5=10,a6=50^.5, a7=110^.5, a8=180
[腦筋急轉] - jinjing(65 bytes )
2011-12-31
|
|
|
•
#跟帖# 最大N(BI)=1456,最小N(BI)=844 SO, 0.514 > P(14)/P(17) > 0.298
[腦筋急轉] - jinjing(21 bytes )
2011-12-30
|
|
|
•
#跟帖# 17張大,可以數學證明.
[腦筋急轉] - jinjing(347 bytes )
2011-12-30
|
|
|
•
#跟帖# "Method of reverse proposition",GOOGLEＷＩＬＬＷＩＬＬＤＯLATER.
[腦筋急轉] - jinjing(0 bytes )
2011-12-26
|
|
|
•
#跟帖# If you write a paper you can use "Identity Method" and add some
[腦筋急轉] - jinjing(0 bytes )
2011-12-25
|
|
|
•
#跟帖# Great, but we should plus "至多",兩直線隻能相交至多一點.
[腦筋急轉] - jinjing(0 bytes )
2011-12-25
|
|
|
•
#跟帖# Some one used "Same Method",I think is not good,"identity method
[腦筋急轉] - jinjing(159 bytes )
2011-12-25
|
|
|
•
#跟帖# Cz rotation of the Earth, the temprature is lower than Moon in d
[腦筋急轉] - jinjing(169 bytes )
2011-12-24
|
|
|
•
#跟帖# 平麵幾何中的“同一法”，Identity law.?
[腦筋急轉] - jinjing(0 bytes )
2011-12-24
|
|
|
•
#跟帖# Thanks.You are right.Ｉ think yours is normal ,mine is from pure
[腦筋急轉] - jinjing(352 bytes )
2011-12-24
|
|
|
•
#跟帖# 打字太慢，不敢答．
[腦筋急轉] - jinjing(0 bytes )
2011-12-23
|
|
|
•
#跟帖# y=a^(---x),... Sorry, you paint lily.
[腦筋急轉] - jinjing(0 bytes )
2011-12-23
|
|
|
•
#跟帖# x=5ln(.6673)/ln0.5=2.917..=2...+.917*12...=2years and 11 Months.
[腦筋急轉] - jinjing(0 bytes )
2011-12-23
|
|
|
•
#跟帖# 牆體溫度是45度如是華氏人覺冷,攝氏覺熱.
[腦筋急轉] - jinjing(0 bytes )
2011-12-21
|
|
|
•
#跟帖# 簡化題目:電梯隨機停在各層,除一層外無人上下樓.否則無法解.
[腦筋急轉] - jinjing(242 bytes )
2011-12-21
|
|
|
•
#跟帖# 人絕對溫度37+273=310,月-150+273=132,310^4/132^4=30,人給月的輻射熱是月給人的
[腦筋急轉] - jinjing(109 bytes )
2011-12-21
|
|
|
•
#跟帖# 遞推式可由相似3角形得...,要嚴格證明他不可能,...也是不可能的.隻能懷疑.
[腦筋急轉] - jinjing(64 bytes )
2011-12-19
|
|
|
•
#跟帖# 兄言極是,他手稿失傳,有兩重可能,一是後人托古,2是他測量出來的.如果他的6丈多大圓,
[腦筋急轉] - jinjing(112 bytes )
2011-12-18
|
|
|
•
#跟帖# 好象city garden landscape scrool 合標題.
[腦筋急轉] - jinjing(0 bytes )
2011-12-18
|
|
|
•
#跟帖# ???,祖不可能,畫,..,極可能後人托古,計算也值得懷疑,...,
[腦筋急轉] - jinjing(86 bytes )
2011-12-17
|
|
|
•
#跟帖# 祖衝，他在自己書房的地麵畫了一個直徑1丈的大圓，內接正六邊形一直作到12288邊形，然後一個一個算出這些多邊形的周長
[腦筋急轉] - jinjing(0 bytes )
2011-12-17
|
|
|
•
#跟帖# 我用半角公式算正512邊形得PI>3.1415732
[腦筋急轉] - jinjing(140 bytes )
2011-12-16
|
|
|
•
#跟帖# 敬請出示答案.
[腦筋急轉] - jinjing(0 bytes )
2011-12-16
|
|
|
•
#跟帖# 是的,玩笑....,小孩背100個數不吃力.再說,多了也沒用.
[腦筋急轉] - jinjing(29 bytes )
2011-12-16
|
|
|
•
#跟帖# 謝謝,可能有人想知道22/7和355/113的來曆,...
[腦筋急轉] - jinjing(200 bytes )
2011-12-16
|
|
|
•
#跟帖# scroll
[腦筋急轉] - jinjing(0 bytes )
2011-12-16
|
|
|
•
#跟帖# GARDEN?
[腦筋急轉] - jinjing(0 bytes )
2011-12-16
|
|
|
•
#跟帖# Thanks,I knew 3.1416 only when I was a boy ,but this story let m
[腦筋急轉] - jinjing(131 bytes )
2011-12-16
|
|
|
•
#跟帖# 對,大多題是模式算法,本題不知意下如何,沒模式,孩子挺聰明,自創模式.
[腦筋急轉] - jinjing(69 bytes )
2011-12-15
|
|
|
•
#跟帖# π = 3.1415926535897932384626...
[腦筋急轉] - jinjing(148 bytes )
2011-12-15
|
|
|
•
#跟帖# 貴子天才,279=like drink,944=drunk like like a dead man,898=stop dri
[腦筋急轉] - jinjing(358 bytes )
2011-12-11
|
|
|
•
#跟帖# 若是線性,則答案是：f(x)=665x - 386. f(3)=1995-386= 1609...哈,還是我對.
[腦筋急轉] - jinjing(70 bytes )
2011-12-09
|
|
|
•
#跟帖# 對不起,忘了是腦筋急轉,不光是數學.
[腦筋急轉] - jinjing(0 bytes )
2011-12-09
|
|
|
•
#跟帖# 回謝,因沒有定義關係,故答案不定,若是線性,則答案唯一,3=1609,4=19564.
[腦筋急轉] - jinjing(112 bytes )
2011-12-08
|
|
|
•
#跟帖# 3,30可以等於任何數,牛頓幾百年前就知道.
[腦筋急轉] - jinjing(0 bytes )
2011-12-08
|
|
|
•
#跟帖# P(n)=P(n-1)=C(n-1,[n/2])/2^(n-1)
[腦筋急轉] - jinjing(0 bytes )
2011-12-04
|
|
|
•
#跟帖# 用古典型概率和幾何解隨機過程的題,故較難.
[腦筋急轉] - jinjing(0 bytes )
2011-12-04
|
|
|
•
#跟帖# 棒,概率樹是最醒目的,尤其對無公式的題.
[腦筋急轉] - jinjing(79 bytes )
2011-12-04
|
|
|
•
#跟帖# 最後兩塊,有一有寶石,兩人得的概率是一樣的.
[腦筋急轉] - jinjing(0 bytes )
2011-12-03
|
|
|
•
#跟帖# 好象可稱為古典概率和幾何學的應用.
[腦筋急轉] - jinjing(0 bytes )
2011-12-03
|
|
|
•
#跟帖# 回複：Why the fourth student must cut a bow to form a square?
[腦筋急轉] - jinjing(70 bytes )
2011-12-03
|
|
|
•
#跟帖# P(10)= P(11)=35/128.筆誤.
[腦筋急轉] - jinjing(0 bytes )
2011-12-03
|
|
|
•
#跟帖# I'm sorry ,you are not right, P(11)shold = P(10),so P(11)
[腦筋急轉] - jinjing(598 bytes )
2011-12-03
|
|
|
•
#跟帖# 回複：師生11人分半徑一尺圓餅,有大長刀,尺各一把,每人切一刀,拿一塊,
[腦筋急轉] - jinjing(171 bytes )
2011-12-03
|
|
|
•
#跟帖# 很巧,...我選11人的原因,
[腦筋急轉] - jinjing(0 bytes )
2011-12-02
|
|
|
•
#跟帖# ,每人切一刀,拿一塊,隻有最後4人可能拿到寶石,
[腦筋急轉] - jinjing(64 bytes )
2011-12-02
|
|
|
•
#跟帖# 相同的弓形與相同的距形.謝問.
[腦筋急轉] - jinjing(0 bytes )
2011-12-02
|
|
|
•
師生11人分半徑一尺圓餅,有大長刀,尺各一把,每人切一刀,拿一塊,
[腦筋急轉] - jinjing(150 bytes )
2011-12-02
|
|
|
•
#跟帖# P(K)=C(n,k)*C(N-n,m-k)/C(N,m), N=8, n=4, m=3, k=2
[腦筋急轉] - jinjing(23 bytes )
2011-11-29
|
|
|
•
#跟帖# Mine is right and your last is standard as it is f(d/2r).
[腦筋急轉] - jinjing(0 bytes )
2011-11-29
|
|
頁次：1/11
每頁50條記錄，
本頁顯示1
到50，
共502
分頁：
[1]
[2]
[3]
[4]
[5]
[下一頁]
[>>]
[尾頁]
|
| 備份檔案：
當前
| 2023
| 2022
| 2021
| 2020
| 2019
| 2018
| 2017
| 2016
| 2015
| 2014
| 2013
| 2012
| 2011
| 2010
| 2009
| 2008
| 2007
| 2006
| 2005
| 2004
| 2003
|