直接写出得数.
| 20×3= | 200×3= | 2000×3= | 24÷3= |
| 240÷3= | 2400÷3= | 270+90= | 0×15= |
| 15+0×15= |
直接写出得数:
| 10×2.9= | 2-1.86= | 2.1÷30= | 4.9+5.1= | 4.2÷0.7= |
| 0.5+5= | 1.1-0.01= | 40×0.02= | 0.75÷0.25= | 1.25×8= |
| 20×3= | 200×3= | 2000×3= | 24÷3= |
| 240÷3= | 2400÷3= | 270+90= | 0×15= |
| 15+0×15= |
| 10×2.9= | 2-1.86= | 2.1÷30= | 4.9+5.1= | 4.2÷0.7= |
| 0.5+5= | 1.1-0.01= | 40×0.02= | 0.75÷0.25= | 1.25×8= |