1.25×88+12÷0.8怎样简算?
问题描述:
1.25×88+12÷0.8怎样简算?
答
1.25×88+12÷0.8 一个数除以0.8等于乘1.25
=1.25×88+12×1.25
=1.25×(88+12)
=1.25×100
=125
(12×1.25 )÷(0.8×1.25)= (12×1.25 )÷1= 12×1.25