天气预报 > 其他 > 五减三乘九分之七等于多少
五减三乘九分之七等于多少
更新时间: 2020-09-22 00:00:00  

三乘九分之七等于三分之七,五减去三分之七等于三分之八。

运算法则:

1、如果是同一级运算,一般按从左往右依次进行计算;

2、如果既有加减、又有乘除法,先算乘除法、再算加减;

3、如果有括号,先算括号里面的;

4、如果符合运算定律,可以利用运算定律进行简算。

关键词: 分之 等于 多少

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