来自郭建青的问题
简便方法计算.312÷4+360×25%+0.25×36.5;(7.25×40%+2.75×25)÷20%;[1.9+19%×(4.8-345)]÷(2910-190%)
简便方法计算.
312÷4+360×25%+0.25×36.5;
(7.25×40%+2.75×25)÷20%;
[1.9+19%×(4.8-345)]÷(2910-190%)
1回答
2020-04-30 23:41