
+ | \(-\frac{1}{2}\) | \(\frac{5}{9}\) | \(\frac{1}{36}\) | \(-\frac{11}{18}\) |
\(-\frac{1}{2}\) | -1 | \(\frac{1}{18}\) | -\(\frac{17}{36}\) | -\(\frac{10}{9}\) |
\(\frac{5}{9}\) | \(\frac{1}{18}\) | 1 | \(\frac{7}{12}\) | \(-\frac{1}{18}\) |
\(\frac{1}{36}\) | \(\frac{17}{36}\) | \(\frac{7}{12}\) | 1 | \(-\frac{7}{12}\) |
\(-\frac{11}{18}\) | \(-\frac{10}{9}\) | \(-\frac{1}{18}\) | \(\frac{7}{12}\) | -1 |