• 设全集U={1,2,3,4,5,6},A={4,5},B={3,4},则?U(A∪B)=试题及答案-单选题-云返教育

    • 试题详情

      设全集U={1,2,3,4,5,6},A={4,5},B={3,4},则?U(A∪B)=         

      试题解答


      C
      ∵A={4,5},B={3,4},
      ∴A∪B={3,4,5},
      又∵U={1,2,3,4,5,6},
      ∴?
      U(A∪B)={1,2,6}.
      故选C
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