Пошаговое объяснение:
6 5/13+ 2 8/13=8 13/13=9
5 4/7 + 3 6/7=8 10/7=9 3/7
6 5/13 + 2 8/13 = (6 + 2) + (5/13 + 8/13) = 8 + 13/13 = 8 + 1 = 9,
5 4/7 + 3 6/7 = (5 + 3) + (4/7 + 6/7) = 8 + 10/7 = 8 + 1 3/7 = 9 3/7
Пошаговое объяснение:
6 5/13+ 2 8/13=8 13/13=9
5 4/7 + 3 6/7=8 10/7=9 3/7
Пошаговое объяснение:
6 5/13 + 2 8/13 = (6 + 2) + (5/13 + 8/13) = 8 + 13/13 = 8 + 1 = 9,
5 4/7 + 3 6/7 = (5 + 3) + (4/7 + 6/7) = 8 + 10/7 = 8 + 1 3/7 = 9 3/7