71 3/71 + 4 53/71 + 24 15/71 = 99 71/71 = 100
4 23/24 + 5 21/24 + 7 22/24 = 16 51/24 = 18 3/24 = 18 1/8
6 5/9 - 5 7/9 = 5 14/9 - 5 7/9 = 7/9
5 - 11/14 - 2 13/14 = 4 14/14 - 11/14 - 2 13/14 = 4 3/14 - 2 13/14 = 3 17/14 - 2 13/14 = 1 4/14 = 1 2/7
5 16/23 - (2 16/23 - 1 17/23) = 5 16/23 - (1 39/23 - 1 17/23) = 5 16/23 - 22/23 = 4 39/23 - 22/23 = 4 17/23
68 32/67 + 10 10/67 + 31 25/67 = 109 67/67 = 110
18 1/4 - 3 4/14 - х = 5 1/14 + 3 13/14
17 5/4 - 3 4/14 - х = 8 14/14
14 1/14 - х = 9
х = 14 1/14 - 9
х = 197/14 - 126/14
х = 71/14
х = 5 1/14
(х - 7 2/17) - 4 15/17 = 5 16/17
х - 7 2/17 = 5 16/17 + 4 15/17
х - 7 2/17 = 9 31/17
х - 7 2/17 = 10 14/17
х = 10 14/17 + 7 2/17
х = 17 16/17
42 4/17 - 29 7/17 = 41 21/17 - 29 7/17 = 12 14/17 привезли сельдерея
28 1/17 - 12 14/17 = 27 18/17 - 12 14/17 = 15 4/17 привезли петрушки
29 7/17 - 15 4/17 = 14 3/17 привезли укропа