Пошаговое объяснение:
1. 13⅝ - ⅝ = 13
2. 14 2/9 + 13 7/5 = 14 2/9 + 14 2/5 = 28 28/45
3. 16 ⅖ + 14 ⅘ = 30 6/5 = 31 1/5
4. 17 1/7 - 16 ⅖ = 120/7 - 82/5 = (600 - 574)/35 = 26/35
Пошаговое объяснение:
1. 13⅝ - ⅝ = 13
2. 14 2/9 + 13 7/5 = 14 2/9 + 14 2/5 = 28 28/45
3. 16 ⅖ + 14 ⅘ = 30 6/5 = 31 1/5
4. 17 1/7 - 16 ⅖ = 120/7 - 82/5 = (600 - 574)/35 = 26/35