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.(CUN)∪M=UD.(CUM)∩N=N-高三数学

题目简介

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.(CUN)∪M=UD.(CUM)∩N=N-高三数学

题目详情

已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则

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A.M∩N={4,6}
B.M∪N=U
C.(CUN)∪M=U
D.(CUM)∩N=N
题型:单选题难度:偏易来源:湖南省高考真题

答案

B

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