Tabla del 990
| 990 | X | 1 | = | 990 |
| 990 | X | 2 | = | 1980 |
| 990 | X | 3 | = | 2970 |
| 990 | X | 4 | = | 3960 |
| 990 | X | 5 | = | 4950 |
| 990 | X | 6 | = | 5940 |
| 990 | X | 7 | = | 6930 |
| 990 | X | 8 | = | 7920 |
| 990 | X | 9 | = | 8910 |
| 990 | X | 10 | = | 9900 |
| 990 | X | 1 | = | 990 |
| 990 | X | 2 | = | 1980 |
| 990 | X | 3 | = | 2970 |
| 990 | X | 4 | = | 3960 |
| 990 | X | 5 | = | 4950 |
| 990 | X | 6 | = | 5940 |
| 990 | X | 7 | = | 6930 |
| 990 | X | 8 | = | 7920 |
| 990 | X | 9 | = | 8910 |
| 990 | X | 10 | = | 9900 |