已知A={1,2,4,6},B={3,4,5},U={1,2,3,4,5,6},求CuA∪B=()A.{1,2,3,4,5,6}B.{1,2,4,6}C.{2,4,5}D.{3,4,5}-数学

题目简介

已知A={1,2,4,6},B={3,4,5},U={1,2,3,4,5,6},求CuA∪B=()A.{1,2,3,4,5,6}B.{1,2,4,6}C.{2,4,5}D.{3,4,5}-数学

题目详情

已知A={1,2,4,6},B={3,4,5},U={1,2,3,4,5,6},求CuA∪B=(  )
A.{1,2,3,4,5,6}B.{1,2,4,6}
C.{2,4,5}D.{3,4,5}
题型:单选题难度:中档来源:不详

答案

∵A={1,2,4,6},U={1,2,3,4,5,6},
∴CuA={3,5},又B={3,4,5},
则CuA∪B={3,4,5}.
故选D

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