31.5×0.931.5
5.42×0.95.42
0.98×10.98
2.5×0.82.5
3.56×1.013.56
4.95×0.424.95
0.4×0.6= 5.4÷3= 1.5÷0.1= 1.4×0.05=
0.8+0.25= 0.2×0.2= 0.72÷0.6= 1.25×8÷1.25×8=