已知全集U={1,2,3,4,5,6,7,8},A=3{,4,5,6},B={1,2,3,4}.则C U A∩B=(
1个回答
C
U
A={1,2,7,8},C
U
A∩B={1,2,7,8}∩{1,2,3,4}={1,2},
故选 A.
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