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实数有哪些运算法则
更新时间: 2021-05-31 16:03:24  

1、加减法

先按小数点后位数最少的数据保留其它各数的位数,再进行加减计算,计算结果也使小数点后保留相同的位数。

2、乘除法

先按有效数字最少的数据保留其它各数,再进行乘除运算,计算结果仍保留相同有效数字。

关键词: 实数 哪些 运算 法则

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