| Number | 47 | +52 | -33 | -84 | -21 | +16 | -26 | 80 |
| Opposite number |
Solution:
| Number | 47 | +52 | -33 | -84 | -21 | +16 | -26 | 80 |
| Opposite number | -47 | -52 | +33 | +84 | +21 | -16 | +26 | -80 |
| Number | 47 | +52 | -33 | -84 | -21 | +16 | -26 | 80 |
| Opposite number |
Solution:
| Number | 47 | +52 | -33 | -84 | -21 | +16 | -26 | 80 |
| Opposite number | -47 | -52 | +33 | +84 | +21 | -16 | +26 | -80 |