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
8.97÷0.25÷4 13.2﹣3.2÷0.8
0.8×8.5÷0.2 4.05×101﹣4.05