简便计算:9÷0.25 = = 4.7×5.9+5.2×4.7-4.7×0.1 = = =

问题描述:

简便计算:9÷0.25 = = 4.7×5.9+5.2×4.7-4.7×0.1 = = =
简便计算:
9÷0.25


4.7×5.9+5.2×4.7-4.7×0.1



125×64×25×5

9x1/4=4/9
4.7x(5.9+5.2-0.1)=51.7
125x8x8x125=1000000