6.27×3.6+37.8×0.36 369×0.99+3.69 （0.64+0.32）÷0.64 13.5×2.5-0.35×2_数学解答

6.27×3.6+37.8×0.36 369×0.99+3.69 （0.64+0.32）÷0.64 13.5×2.5-0.35×25的简便算法

人气：215 ℃　时间：2020-01-30 22:45:47

解答

6.27×3.6+37.8×0.36 369×0.99+3.69 （0.64+0.32）÷0.64 13.5×2.5-0.35×256.27×3.6+37.8×0.36=6.27*3.6+3.78*3.6=3.6*(6.27+3.78)=3.6*(10+0.05)=36+0.18=36.18369×0.99+3.69 =369*0.99+369*0.01=369*(0.99+...