0.32*12.5*2.5 4.25/2.5*9.9+0.17全部是简便运算
问题描述:
0.32*12.5*2.5 4.25/2.5*9.9+0.17全部是简便运算
还有7.6*27+7.6*174-7.6
9.9*34
答
0.32*12.5*2.5=1/10000*(32*125*25)=1/10000*(8*125*4*25) =1/10000*(1000*100)=104.25/2.5*9.9+0.17=1/100*(425/25*99)+17/100 =1/100[425/25*99+17] =1/100(17*99+17...