[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀

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[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀

[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀
[3.2-3.2X(30.4-29.85)]/1.8怎么脱式计算呀

[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