Question

0.5乘0.32乘1.25乘0.025乘2的简便运算

Answer 1

0.5*0.32*1.25*0.025*2=(0.5*2)*0.4*0.8*1.25*0.025=(0.5*2)*(0.8*1.25)*(0.4*0.025)=1*1*0.01=0.01