0.2×0.3= 4.5×0.2= 0.56+7= 0.78+7.8= 1.7×50=
2.4÷0.06= 0.36÷0.09= 0.26×300= 0.125×7.41×80= 2.96+2.96÷2.96=
0.730.73÷0.97 9.8×1.39.8
2.7×=0.351 ×130=3.51