1 2/3
Пошаговое объяснение:
1) 5 - 2/3 = 4 3/3 - 2/3 = 4 1/3
2) 8 11/12 - 1/4 = 8 11/12 - 3/12 = 8 8/12 = 8 2/3
3) 2/3 + 2 1/6 + 1/2 = 4/6 + 2 1/6 + 3/6 = 2 8/6 = 3 2/6 = 3 1/3
4) 4 1/3 : 8 2/3 * 3 1/3 =
13/3 * 3/26 * 10/3 =
13/26 * 10/3 = 1/2 * 10/3 =
10/6 = 1 4/6 = 1 2/3
