题目内容

设集合A={2,4,6,8,10},CUA={1,3,5,7,9},CUB={1,4,6,8,9},则集合A∩B=
{2}
{2}
分析:由集合A={2,4,6,8,10},CUA={1,3,5,7,9},知U={1,2,3,4,5,6,7,8,9,10},由CUB={1,4,6,8,9},知B={2,3,5,7,10},由此能求出A∩B={2}.
解答:解:∵集合A={2,4,6,8,10},CUA={1,3,5,7,9},
∴U={1,2,3,4,5,6,7,8,9,10},
∵CUB={1,4,6,8,9},
∴B={2,3,5,7,10},
A∩B={2}.
故答案为:{2}.
点评:本题考查集合的交、并、补集的混合运算,是基础题.解题时要认真审题,仔细解答.
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