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千分之三怎么算
更新时间: 2021-02-25 04:57:24  

1、千分之三换算成小数为0.003,换算成分数是3/1000,数学形式可以写成3‰。

2、千分数是表示一个数是另一个数的千分之几的数,叫做千分数(或者说分母是1000的分数),千分数也叫千分率。与百分数一样,千分数也有千分号,千分号写作“‰”千分数具有一切百分数的特点。

3、例如:某县1984年人口总数是324000人,这一年出生婴儿2592人,该县的出生率是8‰。

关键词: 分之 怎么

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