316×5.4=(316×54)÷
12.48÷2.6=÷26
7÷0.25=÷1
79×0.8579 21×1.221
3.08×1000308 7.9×9+7.97.9×10
4.8÷2= 0.35÷5= 0.6×0.5= 20×0.4=
100×0.039= 1.2÷3= 0.2×0.3= 1.1÷10=
0.25÷5= 3.4×2=
①0.72+9.6÷32
②(28.7-186÷31)×0.8
③40.8+14.02÷(14.5-12.5)
④9.2+2.85×5-1.2
⑤16-5.32-4.68
⑥7.29×4.6+4.6×12.71