题目内容
已知全集U={x∈N+|-2<x≤7},集合M={2,4,6},P={3,4,5},那么集合CU(M∪P)是( )
| A.{-1,0,1,7} | B.{1,7} | C.{1,3,7} | D.? |
M∪P={2,4,6}∪{3,4,5}={2,3,4,5,6},
又全集U={x∈N+|-2<x≤7}={1,2,3,4,5,6,7},
∴CU(M∪P)={1,7},
故选B.
又全集U={x∈N+|-2<x≤7}={1,2,3,4,5,6,7},
∴CU(M∪P)={1,7},
故选B.
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