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题目内容
The average (arithmetic mean) monthly sales at a certain company for the past $$k$$ months was $$m$$ dollars. Which of the following expressions represents the sales, in dollars, for the current month if the average monthly sales for the $$k+1$$ months will be 10 percent greater than the average monthly sales for the $$k$$ months?
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· 相关考点
5.2.1 平均值
5.2.1 平均值
以上解析由 考满分老师提供。
