回複:回複:讚兄弟認真 - No - No - No

回答: 讚兄弟認真 - No - No - Noguest0072010-07-23 08:43:59

i do not care if there is 優角 or whatsoever,
just "一個平麵n 邊形最多幾個銳角?"
no tricks, no traps,

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