(3 5/12 + 4 7/12) - 5 2/9 = 2 7/9
1) 3 5/12 + 4 7/12 = 7 12/12 = 8
2) 8 - 5 2/9 = 7 9/9 - 5 2/9 = 2 7/9
ответ: 2 целых 7/9.
(3 5/12 + 4 7/12) - 5 2/9 = 2 7/9
1) 3 5/12 + 4 7/12 = 7 12/12 = 8
2) 8 - 5 2/9 = 7 9/9 - 5 2/9 = 2 7/9
ответ: 2 целых 7/9.