5.2×0.95.2
0.65×0.50.65÷0.5
2.8÷0.252.8
0.15÷0.010.15×100
1.34÷0.25=÷1=
12.22×0.98 12.22 0.64÷0.8 64÷8
1.6+0.4 1.6×0.4 4.5÷0.5 4.5×2
÷=
6.8×2= 4.2×4= 2.1×5= 1.9×0.1= 6×0.5=