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来源：学生作业帮 编辑：作业帮 分类：数学作业 时间：2024/05/25 06:09:34

解题思路： 由a-b=2+根号3，① b-c=2+根号3，② ①+②，得，a-c=4 ③ 这三个式子是关键
解题过程：

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