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Yahoo!奇摩知識+ - 分類問答 - 教育學習 - 已解決
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統計學的排列組合52取3
Nov 6th 2013, 17:10

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一、52取3，所以是(52*51*50)/(3*2*1)=22100種可能 二、4種花色，每種花色有13張牌，所以3張都是同花色有(4/1)*(13*12*11)/(3*2*1)=1144種可能 三、一種花色之13張牌取3，所以是(13*12*11)/(3*2*1)=286種可能 四、4張A取2張，另一<sep/>...
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