10.4-9.6*0.35【用简便方法计算】

问题描述:

10.4-9.6*0.35【用简便方法计算】

10.4-9.6*0.35
=10.4-(10-0.4)x0.35
=10.4-10x0.35+0.4x0.35
=10.4-3.5+0.14
=6.9+0.14
=7.04