【5-3又7/8÷(1又5/6+2.25×1/3)】÷0.125
=【5-3又7/8÷(11/6+9/4×1/3)】÷1/8
=【5-31/8÷(11/6+9/4×1/3)】×8
=【5-31/8÷(11/缓悉6+3/4)】×8
=【5-31/8÷(31/12)】×8
=【5-3/2】×8
=40-12
=28
标准答案,望采纳,嫌哪链芹孙谢谢。
5-31/8/(11/6+2.25*1/3)/0.125
=5-31/肢高燃念拆8/(11/6+9/4*1/3)/0.125
=5-31/8/(11/历虚6+3/4)*8
=5-31/(22/12+9/12)
=5-31/(31/12)
=5-31/31*12
=5-12
=-7