脱式计算。72.8÷5.6+14.9 1.35×2.5+2.65×2.5 1.4÷0.8÷12.5

7.6×1.9﹣96.2÷7.4	2.54×10.1﹣0.254
2.5×7.9×0.4	3.79÷0.125÷0.8

0.25×58.5×40	84.5+84.5×99	48÷0.8÷0.125
15.856+3.84+1.16﹣14.856	3.14×9+3.14×2﹣3.14×10

①7.3÷1.25÷0.8	②3.9÷0.4+3.9÷0.6
③8.6×9.9	④0.25×0.32×1.25

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

26×1.2－8.2 6.7×1.52＋0.48×6.7 7.2÷0.18×0.8
12.5×4.8 3.5+9.62÷0.26 78÷0.25÷4