概率与游戏
概率的网站
http://www.cbe21.com/subject/maths/html/040202/2005_05/20050517_100467.html
http://zhangyijun.blogchina.com/205384.html
http://scgyydf.home.sunbo.net/?xname=A6AHB01
http://www.cbe21.com/subject/maths/html/040202/2005_05/20050517_100467.html
http://zhangyijun.blogchina.com/205384.html
http://scgyydf.home.sunbo.net/?xname=A6AHB01