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乘法竖式计算应注意什么
更新时间: 2020-07-12 00:00:00  

1、注意进位;

2、注意左移法及小数点,左移法是下一个乘出的数据要左移一格至上个数据下方,然后再竖式相加后加上小数点;

3、注意数位对齐,不能错位;

4、注意因数有零,不能直接去掉。

关键词: 乘法 计算 注意 什么

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