1.25*0.7+4/5*10%+125%*20%简便方法计算.

问题描述:

1.25*0.7+4/5*10%+125%*20%简便方法计算.

1.25*0.7+4/5*10%+125%*20%
=1.25×(0.7+10%+20%)
=1.25×1
=1.25