Yes. It is said that Russian and East European are

来源: ffppyy 于 2009-02-10 23:24:20 [] [旧帖] [给我悄悄话] 阅读数 : (100 bytes)

excellent in math. I haven't met many engineers or scientists from there. So i really don't know.

请您先登陆，再发跟帖！