乘除法竖式计算题：
3.5×103= 0.702×5= 3.15×4= 12.4×0.7=
2.3×11.2= 6.9×0.3= 2.3× 6.2=0.58×0.09=
6.7×3=0.66×0.04=3.7×4.6=0.29×7=
6.5×0.4=56×1.33=3.02×2.5=2.6× 1.8=
0.8×7= 3.5×16= 12.5×4= 1.8×2.3=
72÷3.8＝ 75.6÷1.8＝ 8.91÷0.27＝ 2.6÷0.13＝
0.21÷1.4＝ 1.12÷0.56＝ 7.35÷2.1＝ 19.8÷45＝
1÷0.025＝ 8.32÷4＝ 5.92÷1.6＝ 0.63÷0.15＝
140.4÷18＝ 9.18÷9＝ 243.2÷6.4＝ 7÷0.28＝