全集U={1,2,3,4,5}A的补集与B的交集={5},A交B={3,4},A交B的补集={1,2}求集合A ,B
人气：343 ℃ 时间：2019-09-17 23:50:29
解答
集合A={ 1,2, 3,4} 集合B={3,4,5}
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