回复:回复:赞兄弟认真 - No - No - No

来源: 2010-07-23 12:07:54 [旧帖] [给我悄悄话] 本文已被阅读:

i do not care if there is 优角 or whatsoever,
just "一个平面n 边形最多几个锐角?"
no tricks, no traps,