已知集合M={0,1,2},N={x|x=2a,a属于M}.则集合M和N的公共元素组成的集合为多少
人气:277 ℃ 时间:2020-03-21 13:48:55
解答
N={0,2,4},M={0,1,2}
A={0},A={1},A={2},A={0,1},A={0,2},A={1,2},A={0,1,2}
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