C(13,2)*C(4,2)*C(4,2)*C(11,1)*C(4,1)/C52,5)=0.047539
回複:請教高中數學題
所有跟帖:
• 回複:回複:請教高中數學題 -stephen7yu- ♂ (5 bytes) () 03/16/2009 postreply 05:31:01
• 看錯了, 答案應該是0.0475, 你是對的. -ruby88- ♀ (0 bytes) () 03/16/2009 postreply 08:07:59
C(13,2)*C(4,2)*C(4,2)*C(11,1)*C(4,1)/C52,5)=0.047539
• 回複:回複:請教高中數學題 -stephen7yu- ♂ (5 bytes) () 03/16/2009 postreply 05:31:01
• 看錯了, 答案應該是0.0475, 你是對的. -ruby88- ♀ (0 bytes) () 03/16/2009 postreply 08:07:59
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