题目内容
(U为全集):A∩A=_________,A∩
=_________,A∩B_________B∩A,A∩B_________A,A∪B_________A,A∪
=_________,A∪B_________B∪A,A∪A_________A,A∩(
A)=_________,
(
A)=_________,A∩B_________ A∪B.
思路解析:集合中最基本的运算性质.
答案:A
=
A = =
A
.
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