已知全集U={1,2,3,4,5,6,7,8},M={1,3,5,7},N={5...
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,...
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.{1,2,3,4,6,7}
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