0.54÷0.9= 5.6+1.65= 0×4.75= 4.2÷0.42=
3.6÷0.4= 1÷0.25= 4×0.8= 0.1÷0.05=
2.5×1.6= 420÷0.2= 0.2×50= 2.4÷0.8=
8.4×0.5= 1.5×9= 15÷1.5= 1.25×72=
2.5÷0.5= 0.42÷0.6= 3.5÷0.01=
0.24×5= 12.5×0.8= 0.2×50=
3.5×0.2= 10÷0.5= 6×0.25= 0.63÷0.9=
1.8×0.4= 0.99÷0.01= 1.2×4= 3.9÷0.13=