(2008•湖南)已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则()A.M∩N={4,6}B.M∪N=UC.(∁UN)∪M=UD.(∁UM)∩N=N-数学

题目简介

(2008•湖南)已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则()A.M∩N={4,6}B.M∪N=UC.(∁UN)∪M=UD.(∁UM)∩N=N-数学

题目详情

(2008•湖南)已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则(  )
A.M∩N={4,6}B.M∪N=UC.(∁UN)∪M=UD.(∁UM)∩N=N
题型:单选题难度:偏易来源:不详

答案

解析:由题意M∩N={2,6},A错误;M∪N={2,3,4,5,6,7}=U,
故选B

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