I'll give the answer in the next couple days.

The method rather than the result is very interesting.

所有跟帖: 

0.0026355 is the exact answer,if I do well. -jinjing- 給 jinjing 發送悄悄話 (221 bytes) () 06/08/2010 postreply 14:36:55

maybe, you are right. My answer is 0.0026544, but not confident -皆兄弟也- 給 皆兄弟也 發送悄悄話 皆兄弟也 的博客首頁 (0 bytes) () 06/09/2010 postreply 00:20:27

請您先登陸,再發跟帖!