一個數學推理題 - 推理遊戲
By Poppy
at 2007-04-08T12:48
at 2007-04-08T12:48
Table of Contents
數學老師把一個二位數n的因數個數告訴了學生S,
把n的各個數字的和告訴了學生P。
(即 n 值的個位數為x 十位數為y 學生P知道x+y的值 )
聰明的學生S和學生P希望推導出n的準確值,於是S和P進行了以下的對話:
P:「我不知道n是多少。」
S:「我也不知道n是多少,但我知道n是否為偶數。」
P:「我現在知道n是多少了。」
S:「現在我也知道n是多少了。」
老師證實S和P都是誠實可信的,他們每一句話都是有根據的。
請問n的值為何?
--
Tags:
推理遊戲
All Comments
By Isabella
at 2007-04-12T18:23
at 2007-04-12T18:23
By Madame
at 2007-04-17T00:30
at 2007-04-17T00:30
By Barb Cronin
at 2007-04-21T19:28
at 2007-04-21T19:28
By Dorothy
at 2007-04-23T06:19
at 2007-04-23T06:19
By Daph Bay
at 2007-04-27T17:55
at 2007-04-27T17:55
By Annie
at 2007-04-29T23:54
at 2007-04-29T23:54
By Rebecca
at 2007-05-04T11:33
at 2007-05-04T11:33
Related Posts
Re: 一個困擾我很久的問題
By Carol
at 2007-04-03T17:57
at 2007-04-03T17:57
Re: 一個困擾我很久的問題
By Belly
at 2007-04-03T04:55
at 2007-04-03T04:55
我媽問我的兩個問題
By Brianna
at 2007-04-03T04:19
at 2007-04-03T04:19
我媽問我的兩個問題
By Mary
at 2007-04-03T02:41
at 2007-04-03T02:41
一個困擾我很久的問題
By Erin
at 2007-04-03T01:12
at 2007-04-03T01:12