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降价30等于几折

更新时间: 2020-08-17 00:00:00     

1、降价百分之多少就是用1减这个百分数乘100即所打的折数。

2、原价乘降价的百分数得到物品的售价,用售价除以原价就是所打的折数。

3、打折就是在原来售价的基础上降价销售,几折则表示实际售价占原来售价的成数。注意:百分之十就是一成,也就是一折,所以七折,就意味着实际售价是原来售价的百分之七十。

关键词: 降价 等于

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