12×350= 0.12×3.5= 1.2×0.35=
12×35= 12×3.5= 1.2×3.5=
5×0.5= 0.6×0.7= 4.4×0.1= 1.3×0.5=
1.2×4= 0.8×5= 8.5×10= 2.5×0.2=