(16.8+2.22)÷0.6
201×8.9-8.9
1.6×8.5×1.25
0.99×217
2.75-0.75×0.8+9.2
790÷2.5÷40
4.872÷2.4 11.7÷0.18 ※5.63÷7.8 4÷15
101×25= ×0.5= ×= 5+= 2.5× =
3.2÷8= 1.25- = 5× ÷5÷ = 1.25× ×0.8=