10 4/9
Пошаговое объяснение:
1) 4 2/5 - 3 11/15 = 4 6/15 - 3 11/15 = 3 21/15 - 3 11/15 = 10/15 = 2/3
2) 9 - 2/3 = 8 1/3
3) 5 1/3 - 3 2/9 = 5 3/9 - 3 2/9 = 2 1/9
4) 8 1/3 + 2 1/9 = 8 3/9 + 2 1/9 = 10 4/9
10 4/9
Пошаговое объяснение:
1) 4 2/5 - 3 11/15 = 4 6/15 - 3 11/15 = 3 21/15 - 3 11/15 = 10/15 = 2/3
2) 9 - 2/3 = 8 1/3
3) 5 1/3 - 3 2/9 = 5 3/9 - 3 2/9 = 2 1/9
4) 8 1/3 + 2 1/9 = 8 3/9 + 2 1/9 = 10 4/9