6.82除以0.31乘2.7-18.3怎么巧算

分类: 作业答案 • 2022-02-08 08:59:48

问题描述：

答

6.82除以0.31乘2.7-18.3
=（6.2÷0.31+0.62÷0.31）×2.7-18.3
=22×2.7-18.3
=59.4-18.3
=41.1