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已知全集U={1,2,3,4,5,6,7},A={2,4,5},B={1,3,5,7},求AU(CuB),(CuA)∩(CuB)
人气:137 ℃ 时间:2019-08-22 19:59:29
解答
U={1,2,3,4,5,6,7},A={2,4,5},B={1,3,5,7}
CuB={2,4,6},CuA={1,3,6,7}
AU(CuB)={2,4,5,6}
(CuA)∩(CuB)={6}
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