5.32减0.375加0.68减0.625=5.32+0.68+0.375+0.625=6+1=71.5乘[0.02除（2.1减2.09）]=1.5×[0.02÷0.01)=1.5×2=33.4除[（1.25加0.45）]=3.4÷(1.7)=20.25乘（4.8减7.5除3）=0.25×(4.8-2.5)=0.25×2.3=0.25×(2+0.3)...