∵全集U={1,2,3,4,5,6,7,8},集合A={5,6,7,8},B={2,4,6,8},
∴A∩B={6,8},CUA={1,2,3,4},CUB={1,3,5,7}.
设全集U={1,2,3,4,5,6,7,8},集合A={5,6,7,8},B={2,4,6,8},求A∩B,CUA和CUB.
设全集U={1,2,3,4,5,6,7,8},集合A={5,6,7,8},B={2,4,6,8},求A∩B,CUA和CUB.
数学人气:553 ℃时间:2019-08-17 13:40:40
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