设集合U={1,2,3,4,5},A={1,2,3},B={3,4,5},则CU(A∩B)等于()A.{1,2,3,4}B.{1,2,4,5}C.{1,2,5}D.{3}-数学

题目简介

设集合U={1,2,3,4,5},A={1,2,3},B={3,4,5},则CU(A∩B)等于()A.{1,2,3,4}B.{1,2,4,5}C.{1,2,5}D.{3}-数学

题目详情

设集合U={1,2,3,4,5},A={1,2,3},B={3,4,5},则CU(A∩B)等于(  )
A.{1,2,3,4}B.{1,2,4,5}C.{1,2,5}D.{3}
题型:单选题难度:偏易来源:东城区二模

答案

因为A={1,2,3},B={3,4,5},所以A∩B={3},
由集合U={1,2,3,4,5},则CU(A∩B)={1,2,4,5}
故选B

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