脱式计算，能简算的要简算．32×2.5×1.25201×0.78-0.784÷2.5÷0.49.07-22.78÷3.48×0.8÷0.274.32×7.3+2.7×4.32．

Question

脱式计算，能简算的要简算．
32×2.5×1.25                     
201×0.78-0.78
4÷2.5÷0.4                    
9.07-22.78÷3.4
8×0.8÷0.27                    
4.32×7.3+2.7×4.32．

Answer 1

（1）32×2.5×1.25 =4×2.5×（8×1.25）=10×10=100；（2）201×0.78-0.78=（201-1）×0.78=200×0.78=156；（3）4÷2.5÷0.4   =4÷（2.5×0.4）=4÷1=4；（4）9.07-22.78÷3.4=9.07-6.7=2.37；（5）8×0.8÷...