题目内容
已知全集I=N,集合A={1,2,3,4,5,6},B={2,3,5},则(?IB)∩A=
{1,4,6}
{1,4,6}
.分析:根据全集I求出B的补集,找出B补集与A的交集即可.
解答:解:∵全集I=N,集合A={1,2,3,4,5,6},B={2,3,5},
∴?IB={1,4,6},
则(?IB)∩A={1,4,6}.
故答案为:{1,4,6}
∴?IB={1,4,6},
则(?IB)∩A={1,4,6}.
故答案为:{1,4,6}
点评:此题考查了交、并、补集的混合运算,熟练掌握各自的定义是解本题的关键.
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