问题:
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} |
参考答案: