Tabla del -438
| -438 | X | 1 | = | -438 |
| -438 | X | 2 | = | -876 |
| -438 | X | 3 | = | -1314 |
| -438 | X | 4 | = | -1752 |
| -438 | X | 5 | = | -2190 |
| -438 | X | 6 | = | -2628 |
| -438 | X | 7 | = | -3066 |
| -438 | X | 8 | = | -3504 |
| -438 | X | 9 | = | -3942 |
| -438 | X | 10 | = | -4380 |
| -438 | X | 1 | = | -438 |
| -438 | X | 2 | = | -876 |
| -438 | X | 3 | = | -1314 |
| -438 | X | 4 | = | -1752 |
| -438 | X | 5 | = | -2190 |
| -438 | X | 6 | = | -2628 |
| -438 | X | 7 | = | -3066 |
| -438 | X | 8 | = | -3504 |
| -438 | X | 9 | = | -3942 |
| -438 | X | 10 | = | -4380 |