题目内容
(请给出正确答案)
[单选题]
已知集合U={1,2,3,4,5,6},={1,,4,5},B={2,3,4},则={4},B.U={1,5},C.U={1,5,6},D.U={1,4,5,6}已知集合U={1,2,3,4,5,6},={1,,4,5},B={2,3,4},则 ={4}, B.U={1,5}, C.U={1,5,6}, D.U={1,4,5,6}
A.{4},
B.U={1,5},
C.U={1,5,6},
D.U={1,4,5,6}
提问人:网友aqding
发布时间:2022-01-07