设全集U={1,2,3,4,5,6,7,8,9},A={3,4,5,6},B={4,7,8}求CuA,CuB,(Cua)∩(CuB),(CuA)∪(CuB)
(2)A∩B,A∪B,Cu(A∩B),Cu(A∪B)
人气:382 ℃ 时间:2019-10-17 05:09:58
解答
CuA={1,2,6,7,8}
CuB={1,2,3,5,6}
(CuA)∩(CuB)={1,2,6}
(CuA)∪(CuB)={1,2,3,5,6,7,8}
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