题目: Compute the probability that a hand of 13 cards contains the ace and king of some suit. 答案写是0.9128 不过我怎样也算不出来~"~ 请各位板友帮帮忙~ -- 每一刻都存在........... 不一样的精采.......... 神奇小川川无所不在啦^_^ --

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