{3.75-[0.2+ 1/3]*4.5}/[8.05+5.45]=?简算

问题描述:

{3.75-[0.2+ 1/3]*4.5}/[8.05+5.45]=?简算

{3.75-[0.2+ 1/3]*4.5}/[8.05+5.45]
={3.75-0.9-.15}/13.5
=1.35/13.5
=1/10