算一算,比一比 8.5÷0.25÷0.4和8.5÷(0.25×0.4)

问题描述:

算一算,比一比 8.5÷0.25÷0.4和8.5÷(0.25×0.4)
简算

8.5÷0.25÷0.4=8.5×4×5/2=85
8.5÷(0.25×0.4)=8.5÷0.1=85