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51乘10等于几
更新时间: 2020-07-07 00:00:00  

在混合运算中计算应该遵循以下原则:

1、在没有括号的算式里,只有加、减法或者只有乘、除法,都要从左往右按顺序运算;

2、在没有括号的算式里,有乘法和加、减法,都要先算乘法;

3、在没有括号的算式里,有除法和加、减法,都要先算除法;

4、算式里有括号的,应该先计算括号里的算式。

关键词: 等于

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