dm3 5600mL=LmL
10=+ 10=×
12.5×0.8=
23=
12+22=
0.5+2.95=
24×5÷24×5=
627÷3=
37÷9×9×0=
0.25×16.2×4 18.76×99+18.76 6.1-5.9-4.1+3.9