Ответ:
5
Пошаговое объяснение:
1) 1 2/13 + 1/26 = 1 4/26 + 1/26 = 1 5/26
2) 3 14/39 - 2 = 3 14/39 - 1 39/39 = 2 53/39 - 1 39/39 = 1 14/39
3) 4 5/6 - 1 5/26 = 4 65/78 - 1 15/78 = 3 50/78 = 3 25/39
4) 3 25/39 + 1 14/39 = 4 39/39 = 5
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Решение на фото нижеОтвет:
5
Пошаговое объяснение:
1) 1 2/13 + 1/26 = 1 4/26 + 1/26 = 1 5/26
2) 3 14/39 - 2 = 3 14/39 - 1 39/39 = 2 53/39 - 1 39/39 = 1 14/39
3) 4 5/6 - 1 5/26 = 4 65/78 - 1 15/78 = 3 50/78 = 3 25/39
4) 3 25/39 + 1 14/39 = 4 39/39 = 5