已知全集U={1,2,3,4,5,6,7,8}.M={1,3,5,7}.N={5,6,7}.则Cu A.{5.7} B.{2.4} C.{2.4.8} D.{1.3.5.6.7} 查看更多

 

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已知全集U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则Cu(M∪N)=     (    )

A.{5,7}             B.{2,4}         C.{2,4,8}      D.{1,3,5,6,7}

 

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已知全集U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则Cu(M∪N)= (   )
A.{5,7}B.{2,4}C.{2,4,8}D.{1,3,5,6,7}

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已知全集U={1,2,3,4,5,6,7,8},M ={1,3,5,7},N ={5,6,7},则CU( MN)=(  )

(A){5,7}            (B){2,4}         (C){2,4,8}           (D){1,3,5,6,7}

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已知全集U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则Cu(M∪N)= (   )

A.{5,7}B.{2,4}C.{2,4,8}D.{1,3,5,6,7}

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1、已知全集U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5,6,7},则Cu( M∪N)=(  )

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