3200÷125÷8 201×6.5-6.5 0.37×2.5+6.3×0.25
72.8÷5.6+14.9 1.35×2.5+2.65×2.5 1.4÷0.8÷12.5
8.7÷0.2÷0.5 0.5×16.3+0.5+3.7×0.5