1.25×17.5+36.1÷0.8+2.64×12.5=简便运算

分类: 作业答案 • 2021-12-19 10:45:56

问题描述：

答

1.25×17.5+36.1÷0.8+2.64×12.5
=1.25×17.5+36.1×1.25+26.4×1.25
=1.25×（17.5+36.1+26.4）
=1.25×80
=100