(1)CuA=(-∞,-1)∪[2,+∞)
(2)CuA=(-∞,-1)∪[2,3]
(3)CuA=[-2,-1)∪{2}
(4)CuA=Φ
已知集合A=[-1,2),对于下列全集U分别求集合CuA
已知集合A=[-1,2),对于下列全集U分别求集合CuA
(1)U=R
(2)U=(-∞,3]
(3)U=[-2,2]
(4)U=[-1,2)
主要是解题的格式和答案的格式不知道应该怎样
(1)U=R
(2)U=(-∞,3]
(3)U=[-2,2]
(4)U=[-1,2)
主要是解题的格式和答案的格式不知道应该怎样
数学人气：734 ℃时间：2019-11-19 09:21:59
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