7又2分之1乘以8又9分之3乘以12.5乘以0.032加5.95除以18分之5减7.2加6.05乘以3又5

问题描述:

7又2分之1乘以8又9分之3乘以12.5乘以0.032加5.95除以18分之5减7.2加6.05乘以3又5

7又2分之1乘以8又9分之3乘以12.5乘以0.032加5.95除以18分之5减7.2加6.05乘以3又5分之3=15/2×25/3×25/2×0.032+5.95×18/5-7.2+6.05×18/5=(15/2×0.2)×(25/3×0.4)×(25/2×0.4)+(5.95-2+6.05)×18/5=1.5...为什么我用计算器算的是64.33 我想要过程计算器是近似值,不正确哦