>>>
0.5×0.3= 0.25×3= 0.8×7= 0×5.5= 13.2×0.2=
8.1×9= 1.4×3= 0.2×0.3= 0.04×0.2= 0.15×2=
①3.15×0.8=
②6.53×2.2=
③6.7×0.5=
④15.3×0.6=
⑤9.12×6=
⑥8.45×3.1=