• 设全集U={-2,-1,0,1,2},集合A={1,2},B={-2,1,2},则A∪(?UB)等于试题及答案-单选题-云返教育

    • 试题详情

      设全集U={-2,-1,0,1,2},集合A={1,2},B={-2,1,2},则A∪(?UB)等于         

      试题解答


      D
      ∵全集U={-2,-1,0,1,2},集合A={1,2},B={-2,1,2},
      ∴C
      UB={-1,0},
      A∪(C
      UB)={-1,0,1,2},
      故选:D.
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