:设样本空间Ω={1,2,10},事件A={2,3,4},B={3,4,5},C={5,6,7},则事件=(        )。A:{1,2,5,6,7,8,9,10}B:{1,2,3,5,6,7,8,9,10}   C:{1,2,4,5,6,7,8,9,10}  D:{1,2,5,6,7,9,10}答案: {1,2,5,6,7,8,9,10}2、



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