已知U= {2.3.4.5.6.7}.M ={3.4.5.7}.N ={2.4.5.6}.则 查看更多

 

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

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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=U
C.(∁UN)∪M=U
D.(∁UM)∩N=N

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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=U
C.(∁UN)∪M=U
D.(∁UM)∩N=N

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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=U
C.(∁UN)∪M=U
D.(∁UM)∩N=N

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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=U
C.(∁UN)∪M=U
D.(∁UM)∩N=N

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