Bingo! 小問題討論一下吧 - 拼圖
By Elizabeth
at 2005-06-10T03:14
at 2005-06-10T03:14
Table of Contents
五線皆不相交 => 25 點
每兩線相交一次則省去一點
根據鴿籠原理,必有兩線平行 => 相交次數最多為 C(5,2) - 1 = 9
故點數最少有 25 - 9 = 16
--
每兩線相交一次則省去一點
根據鴿籠原理,必有兩線平行 => 相交次數最多為 C(5,2) - 1 = 9
故點數最少有 25 - 9 = 16
--
Tags:
拼圖
All Comments
By Donna
at 2005-06-14T11:04
at 2005-06-14T11:04
Related Posts
睡前一測..
By Queena
at 2005-06-10T00:46
at 2005-06-10T00:46
今天測的
By Erin
at 2005-06-09T04:16
at 2005-06-09T04:16
今天測的
By Mason
at 2005-06-08T22:12
at 2005-06-08T22:12
Bingo! 小問題討論一下吧
By Odelette
at 2005-06-07T21:16
at 2005-06-07T21:16
Bingo! 小問題討論一下吧
By Lydia
at 2005-06-06T20:42
at 2005-06-06T20:42