题目内容
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}
C
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题目内容
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}