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山西省大同市2023-2024学年第一学期八年级素养评估数学. 考卷答案

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山西省大同市2023-2024学年第一学期八年级素养评估数学.试卷答案

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分析找出所有可能的组合,用列举法表示出集合B.

解答解:∵A={1,2,3},B={x|x=a+b,a∈A,b∈A},
∴B={2,3,4,5,6}.
故选:C.

点评本题考查了集合的表示方法,找到B中元素是关键.

山西省大同市2023-2024学年第一学期八年级素养评估数学.

关于作者: yun

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