[22.5+(18/5+1.8-1.21*5/11)]除40%

问题描述:

[22.5+(18/5+1.8-1.21*5/11)]除40%

[22.5+(18/5+1.8-1.21*5/11)]/40%
=(22.5+3.6+1.8-0.55)/0.4
=27.35/0.4
=68.375