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| 5/1 + 6/10 = | 2/9 + 5/6 = | 1/3 + 2/2 = |
| 12/3 + 1/5 = | 5/12 + 9/12 = | 11/8 + 11/11 = |
| 1/14 + 3/6 = | 6/4 + 13/2 = | 7/6 + 14/9 = |
| 3/7 - 1/3 = | 10/10 - 8/1 = | 3/10 - 5/9 = |
| 8/12 - 8/4 = | 3/11 - 1/7 = | 7/3 - 8/2 = |
| 3/9 - 4/1 = | 10/3 - 8/7 = | 8/1 - 4/6 = |
| 10/4 · 5/4 = | 8/6 · 3/8 = | 4/9 · 9/10 = |
| 6/2 · 11/5 = | 6/9 · 10/12 = | 3/3 · 1/4 = |
| 7/13 · 1/4 = | 12/4 · 2/14 = | 8/2 · 1/14 = |
| 7/6 : 10/3 = | 7/7 : 7/4 = | 3/9 : 3/1 = |
| 12/7 : 8/10 = | 7/10 : 8/6 = | 2/9 : 2/11 = |
| 9/16 : 9/8 = | 5/12 : 4/5 = | 9/6 : 2/8 = |