若A={-2,2,3,4},B={x|x=t2,t∈A},用列举法表示B=________.

发布时间:2020-08-06 22:00:38

若A={-2,2,3,4},B={x|x=t2,t∈A},用列举法表示B=________.

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{4,9,16}
解析分析:由题意,A={-2,2,3,4},B={x|x=t2,t∈A},依次计算出B中元素,按题目要求用列举法写出即可

解答:由题,A={-2,2,3,4},B={x|x=t2,t∈A},
∴B={4,9,16},
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