1.25*0.37+12.5*0.053-1÷8=0.125*3.7+0.125*5.3-0.125=（3.7+5.3-1）*0.125=8*0.125=1
1.25×0.37+12.5×0.053–1÷8=1.25×0.37+1.25×0.53–0.125=1.25×(0.37+0.53)–1.25×0.1=1.25×(0.9-0.1)=1.25×0.8=1
