5 2\6-5\6; 4 5\9-8\9; 6 3\7-5 5\7; 2 1\3-2\3; 3 1\12-1 5\12; 4 1\8- 3 5\8. только ответ!!!
5 2/6 - 5/6 = 4 3/6 = 6 1/2 4 5/9 - 8/9 = 3 8/9 6 3/7 - 5 5/7 = 5/7 2 1/3 - 2/3 = 1 1/3 3 1/12 - 1 5/12 = 1 8/12 = 1 2/3 4 1/8 - 3 5/8 = 1/2