【已知全集U=A∪B={x∈N|0≤x≤10},A∩(CUB-查字典问答网
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  【已知全集U=A∪B={x∈N|0≤x≤10},A∩(CUB)={1,3,5,7},则集合B=()A.{0,2,4,6,8,10}B.{0,2,4,6,8,9,10}C.{2,4,6,8,9,10}D.{2,4,6,8,10}】

  已知全集U=A∪B={x∈N|0≤x≤10},A∩(CUB)={1,3,5,7},则集合B=()

  A.{0,2,4,6,8,10}

  B.{0,2,4,6,8,9,10}

  C.{2,4,6,8,9,10}

  D.{2,4,6,8,10}

1回答
2020-01-3121:10
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李国霞

  ∵全集U=A∪B={x∈N|0≤x≤10}={0,1,2,3,4,5,6,7,8,9,10},

  ∴(A∩(CUB))∩B=φ,(A∩(CUB))∪B=U,

  故B=CU(A∩(CUB))

  又∵A∩(CUB)={1,3,5,7},

  ∴B={0,2,4,6,8,9,10}

  故选B

2020-01-31 21:14:18
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