1.设集合M=(1,2,3.100),A是M的子集,而且A中至少有1个立方数,则A的个数——2.两人进行5场比赛,5局三胜,每局甲赢的概率是2/3,乙获胜的概率是1/3,则乙获胜的概率是多少?3.9个人上演N个“三人舞”节
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![1.设集合M=(1,2,3.100),A是M的子集,而且A中至少有1个立方数,则A的个数——2.两人进行5场比赛,5局三胜,每局甲赢的概率是2/3,乙获胜的概率是1/3,则乙获胜的概率是多少?3.9个人上演N个“三人舞”节](/uploads/image/z/5157061-61-1.jpg?t=1.%E8%AE%BE%E9%9B%86%E5%90%88M%3D%281%2C2%2C3.100%29%2CA%E6%98%AFM%E7%9A%84%E5%AD%90%E9%9B%86%2C%E8%80%8C%E4%B8%94A%E4%B8%AD%E8%87%B3%E5%B0%91%E6%9C%891%E4%B8%AA%E7%AB%8B%E6%96%B9%E6%95%B0%2C%E5%88%99A%E7%9A%84%E4%B8%AA%E6%95%B0%E2%80%94%E2%80%942.%E4%B8%A4%E4%BA%BA%E8%BF%9B%E8%A1%8C5%E5%9C%BA%E6%AF%94%E8%B5%9B%2C5%E5%B1%80%E4%B8%89%E8%83%9C%2C%E6%AF%8F%E5%B1%80%E7%94%B2%E8%B5%A2%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF2%2F3%2C%E4%B9%99%E8%8E%B7%E8%83%9C%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF1%2F3%2C%E5%88%99%E4%B9%99%E8%8E%B7%E8%83%9C%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF%E5%A4%9A%E5%B0%91%3F3.9%E4%B8%AA%E4%BA%BA%E4%B8%8A%E6%BC%94N%E4%B8%AA%E2%80%9C%E4%B8%89%E4%BA%BA%E8%88%9E%E2%80%9D%E8%8A%82)
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