[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀

问题描述:

[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀

[3.2-3.2×(30.4-29.85)]/1.8
=[3.2-3.2×0.55]/1.8
=[3.2-1.76]/1.8
=1.44/1.8
=0.8