On second thought!

本帖于 2007-01-20 08:01:22 时间, 由普通用户 康MM 编辑
回答: 回复:瞎出一题。。。xjshi2007-01-16 15:20:17

I used computers to simulate the result. I got a different one!

请您先登陆,再发跟帖!