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已知集合U={1,2,3,4,5,6},A={1,3,5},B={2,5,6},则集合? U (A∪B)是( ) A.{2,4,
已知集合U={1,2,3,4,5,6},A={1,3,5},B={2,5,6},则集合?U(A∪B)是()A.{2,4,6}B.{1,3,4}C.{1,2,3,5,6}D...
已知集合U={1,2,3,4,5,6},A={1,3,5},B={2,5,6},则集合? U (A∪B)是( ) A.{2,4,6} B.{1,3,4} C.{1,2,3,5,6} D.{4}
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解析:∵A={1,3,5},B={2,5,6}, ∴A∪B={1,2,3,4,5,6} 又U={1,2,3,4,5,6}, ∴C U (A∪B)={4}, 故选D |
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