10 1/9
Пошаговое объяснение:
4 19/24 + (3 1/9 + 2 5/24) = 4 19/24 + (3 8/72 + 2 15/72) = 4 19/24 + 5 23/72 = 4 57/72 + 5 23/72 = 9 80/72 = 10 8/72 = 10 1/9
