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请问等比和等差分别是什么意思
更新时间: 2020-09-15 00:00:00  

等比,意思就是一系列的数字,前一个与后一个的比值是相等的一列数等差,意思就地一系列的数字,前一个核后一个的差值是相等的一列数

关键词: 请问 等差 别是 什么 意思

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