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CU
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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CU](/uploads/image/z/1297499-59-9.jpg?t=%E8%AE%BE%E5%85%A8%E9%9B%86U%3D%7B1%EF%BC%8C2%EF%BC%8C3%EF%BC%8C4%EF%BC%8C5%EF%BC%8C6%EF%BC%8C7%EF%BC%8C8%7D%EF%BC%8C%E9%9B%86%E5%90%88A%3D%7B5%EF%BC%8C6%EF%BC%8C7%EF%BC%8C8%7D%EF%BC%8CB%3D%7B2%EF%BC%8C4%EF%BC%8C6%EF%BC%8C8%7D%EF%BC%8C%E6%B1%82A%E2%88%A9B%EF%BC%8CCUA%E5%92%8CCU)
∵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}.
∴A∩B={6,8},CUA={1,2,3,4},CUB={1,3,5,7}.
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