Tabla del 28
| 28 | X | 1 | = | 28 |
| 28 | X | 2 | = | 56 |
| 28 | X | 3 | = | 84 |
| 28 | X | 4 | = | 112 |
| 28 | X | 5 | = | 140 |
| 28 | X | 6 | = | 168 |
| 28 | X | 7 | = | 196 |
| 28 | X | 8 | = | 224 |
| 28 | X | 9 | = | 252 |
| 28 | X | 10 | = | 280 |
| 28 | X | 1 | = | 28 |
| 28 | X | 2 | = | 56 |
| 28 | X | 3 | = | 84 |
| 28 | X | 4 | = | 112 |
| 28 | X | 5 | = | 140 |
| 28 | X | 6 | = | 168 |
| 28 | X | 7 | = | 196 |
| 28 | X | 8 | = | 224 |
| 28 | X | 9 | = | 252 |
| 28 | X | 10 | = | 280 |