РЕШИТЕ - 1 целая 5\7 - 2 целых 3/14
- 1 5/7 - 2 3/14 = - 12/7 - 31/14 = (-12 × 2 - 31 × 1)/14 = -24/14 - 31/14 = - 55/14 = - 3 13/14