а) 5 5/9+2 8/9 = 7 13/9 = 8 4/9
б) 5 5/9-8/9 = 4 14/9 - 8/9 = 4 6/9 = 4 2/3
в) 7 1/12-4 5/12 = 6 13/12 - 4 5/12 = 2 8/12 = 2 2/3
д) 8 3/7+5 5/7 = 13 8/7 = 14 1/7
г) 7 11/12+4 5/12 = 11 16/12 = 12 4/12 = 12 1/3
Пошаговое объяснение:
а) 5 5/9+2 8/9 = 7 13/9 = 8 4/9
б) 5 5/9-8/9 = 4 14/9 - 8/9 = 4 6/9 = 4 2/3
в) 7 1/12-4 5/12 = 6 13/12 - 4 5/12 = 2 8/12 = 2 2/3
д) 8 3/7+5 5/7 = 13 8/7 = 14 1/7
г) 7 11/12+4 5/12 = 11 16/12 = 12 4/12 = 12 1/3
Пошаговое объяснение: