48.5÷1648.5 32.4÷0.4532.4
1.8×2.9 1.8 0.25×3.63.6
0.99+1.8= 1.5×0.4= 0÷4.86= 0.84÷2=
2×0.05= 0.72÷0.9= 2.4÷0.06= 5.6÷7=
0.4×0.8×2.5= 7.8+0.3-7.8+0.3=