摘要:3.已知全集U={1,2,3,4,5,6,7},M={3,4,5},N={1,3,6},则集合{2,7}=( ) A.MN B. C. D.MN
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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} |
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} |