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四年级下册数学小数单位换算
更新时间: 2021-02-25 03:34:01  

1、本换算关系:大单位化小单位:×进率(进率10小数点向右移动一位,进率100小数点向右移动两位,进率1000小数点向右移动三位,依此类推)。

2、小单位化大单位:÷进率(进率10小数点向左移动一位,进率100小数点左移动两位,进率1000小数点向左移动三位,依此类推)。

关键词: 年级 下册 数学 小数 单位 换算

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