4.9×9.950 1.48÷0.560.56×1.48
0.42×5= | 2÷0.5= | 0.6×0.8= | 0.15×0.1= |
0.32= | 8.64÷8= | 0.72÷0.6= | 1.2×0.5+1.2×0.5= |
5.08×0.45= | 5.86÷2.2≈(得数保留两位小数) |
6.65÷3.3=(得数用循环小数表示) | 5.4÷0.12= |
40-3.69÷18 | 3.14×42-3.14×32 |
62×0.98 | 6.3×103-0.63×30 |
16÷x=2.5 | 8.4x+3x=228 |
1.5x-4×2.1=2.1 | 5(x-4.5)=40 |
①18.75÷2.8 ②4×0.985 ③19.8×0.19 ④5.14÷0.98 ⑤5÷1.14