已知全集U={1,2,3,4,0},集合A={1,2,3},B={2,4},则CuAUB为
A{0,2,4} B{2,3,4} C{1,2,4} D{0,2,3,4}
人气:458 ℃ 时间:2020-01-28 01:57:10
解答
A={1,2,3}
CuA
={0,4}
B={2,4}
CuAUB
={0,2,4}
选A
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