Пошаговое объяснение:
2 19/44 + 5 52/66 = 7 + 171/396 + 312/396 = 7 483/396 = 8 целых и 29/132
38 21/26 + 14 34/39 = 52 + 63/78 + 68/78 = 52 131/78 = 53 целых и 53/78
6 11/12 + 3 15/16 = 9 + 44/48 + 45/48 = 9 89/48 = 10 целых и 41/48
Пошаговое объяснение:
2 19/44 + 5 52/66 = 7 + 171/396 + 312/396 = 7 483/396 = 8 целых и 29/132
38 21/26 + 14 34/39 = 52 + 63/78 + 68/78 = 52 131/78 = 53 целых и 53/78
6 11/12 + 3 15/16 = 9 + 44/48 + 45/48 = 9 89/48 = 10 целых и 41/48