设全集U={1,2,3,4,5},集P={3,4},集Q={1,3,5},则P∩CUQ为A.{1,3,4}B.{3,4}C.{3}D.{4}

发布时间:2020-07-31 11:59:14

设全集U={1,2,3,4,5},集P={3,4},集Q={1,3,5},则P∩CUQ为A.{1,3,4}B.{3,4}C.{3}D.{4}

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D

解析分析:先由题设条件求出CUQ,再由交集的运算法则求P∩CUQ.

解答:∵全集U={1,2,3,4,5},集P={3,4},集Q={1,3,5},∴P∩CUQ={3,4}∩{2,4}={4}.故选D.

点评:本题考查补集的运算和交集的求法,解题时要认真审题,仔细解答.
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