0.8÷0.4×0.15 1.96÷0.8÷5 12.5×3.4×0.05×0.8
2.07+0.93÷0.3-1.83 8.6×9.9 0.25×[(23.5+8.5)÷0.8]
4.3×0.128 0.082×0.14 2.5×3.2
8.6×0.1= 2.4÷0.3= 18÷0.2= 8.1÷0.9=
5.4÷6= 0.42÷0.6= 9×0.8= 0.025×4=
0.6×15.8-6×0.58 12.5×[(23.5+8.5)÷4]
A.0.001 B.0.01 C.10