回复:回复:赞兄弟认真 - No - No - No

回答: 赞兄弟认真 - No - No - Noguest0072010-07-23 08:43:59

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,

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