Tabla del 999
| 999 | X | 1 | = | 999 |
| 999 | X | 2 | = | 1998 |
| 999 | X | 3 | = | 2997 |
| 999 | X | 4 | = | 3996 |
| 999 | X | 5 | = | 4995 |
| 999 | X | 6 | = | 5994 |
| 999 | X | 7 | = | 6993 |
| 999 | X | 8 | = | 7992 |
| 999 | X | 9 | = | 8991 |
| 999 | X | 10 | = | 9990 |
| 999 | X | 1 | = | 999 |
| 999 | X | 2 | = | 1998 |
| 999 | X | 3 | = | 2997 |
| 999 | X | 4 | = | 3996 |
| 999 | X | 5 | = | 4995 |
| 999 | X | 6 | = | 5994 |
| 999 | X | 7 | = | 6993 |
| 999 | X | 8 | = | 7992 |
| 999 | X | 9 | = | 8991 |
| 999 | X | 10 | = | 9990 |