4×7+3= 6×8+4= 9+5×8= 6+9×7=
2.3×0.1= 0.6×0.9= 0.25×0.04= 12.5×0.08 =
8.2×0.98.2 2.1×1.5 1.5×2.1 0.35×4535×0.45
8.2×0.9 0.9 0.79×11 0.36×1.20.45×1.3
145×=26.1 ×18=0.261
×=2.61 × =261