计算下列各题
| 1 | ( | 12- |
直接写得数.
| 1 | 1÷ | 0.01÷0.1= | |
| 0.125×0.125= | 12.9985×3.0023≈ |
能简算的要简算
| 3001-1998 | 3.9+ | |
| 5000-105×34 | 0.15÷0.25+0.75×1.2 |
| 口算: 223-99=________; | 24÷0.04=________; | 0.9+99×0.9=________; | 25×4÷25×4=________; |
| 7.5+0.25=________; |
| 1 | ( | 12- |
| 1 | 1÷ | 0.01÷0.1= | |
| 0.125×0.125= | 12.9985×3.0023≈ |
| 3001-1998 | 3.9+ | |
| 5000-105×34 | 0.15÷0.25+0.75×1.2 |
| 口算: 223-99=________; | 24÷0.04=________; | 0.9+99×0.9=________; | 25×4÷25×4=________; |
| 7.5+0.25=________; |