(2/9.)×(3/8)+ 0.375 +(7/9)×(37.5%)=(2/9)×0.375 + 0.375 + (7/9)×0.375=0.375×[(2/9)+ 1 +(7/9)]=0.375×2=0.75
101×0.375减 百分之37.5=101×0.375-0.375=(101-1)×0.375=37.5