直接写出得数.
| 1.4+0.7= | 6+3.4= | 5-0.3= | 4.37+7= | 10-0.09= |
| 9.9-9= | 8.8+2.2= | 0.46-0.34= | 0.8+0.2-0.8+0.2= |
用竖式计算下面各题.
| 280×25= | 235÷30= | 269×62= |
| 76×203= | 945÷35= | 480÷40= |
| 1.4+0.7= | 6+3.4= | 5-0.3= | 4.37+7= | 10-0.09= |
| 9.9-9= | 8.8+2.2= | 0.46-0.34= | 0.8+0.2-0.8+0.2= |
| 280×25= | 235÷30= | 269×62= |
| 76×203= | 945÷35= | 480÷40= |