| 1.64+2.35= | 8.34-6.22= | 22.4÷7= | 0.48×350= |
| 12.6+3.4= | 10-7.64= | 9.52÷34= | 8×1.36= |
| 13.88-6.29= | 25×16= | 8÷50= | 0.99+1.1 |
| 12.6+7.43= | 29÷22(保留2位小数)= | 28.448÷14= | 32×6.07= |
| 1.64+2.35= | 8.34-6.22= | 22.4÷7= | 0.48×350= |
| 12.6+3.4= | 10-7.64= | 9.52÷34= | 8×1.36= |
| 13.88-6.29= | 25×16= | 8÷50= | 0.99+1.1 |
| 12.6+7.43= | 29÷22(保留2位小数)= | 28.448÷14= | 32×6.07= |