Tabla del 680
| 680 | X | 1 | = | 680 |
| 680 | X | 2 | = | 1360 |
| 680 | X | 3 | = | 2040 |
| 680 | X | 4 | = | 2720 |
| 680 | X | 5 | = | 3400 |
| 680 | X | 6 | = | 4080 |
| 680 | X | 7 | = | 4760 |
| 680 | X | 8 | = | 5440 |
| 680 | X | 9 | = | 6120 |
| 680 | X | 10 | = | 6800 |
| 680 | X | 1 | = | 680 |
| 680 | X | 2 | = | 1360 |
| 680 | X | 3 | = | 2040 |
| 680 | X | 4 | = | 2720 |
| 680 | X | 5 | = | 3400 |
| 680 | X | 6 | = | 4080 |
| 680 | X | 7 | = | 4760 |
| 680 | X | 8 | = | 5440 |
| 680 | X | 9 | = | 6120 |
| 680 | X | 10 | = | 6800 |