Odpowiedź:
5 - 2 i 2/7 = 4 i 7/7 - 2 i 2/7 = 2 i 5/7
10 - 2 i 2/9 = 9 i 9/9 - 2 i 2/9 = 7 i 7/9
4 i 1/7 - 1 i 2/7 = 3 i 8/7 - 1 i 2/7 = 2 i 6/7
7 i 7/9 - 5 i 8/9 = 6 i 16/9 - 5 i 8/9 = 1 i 8/9
7 i 2/7 - 5 i 4/7 = 6 i 9/7 - 5 i 4/7 = 1 i 5/7
6 i 6/9 - 5 i 8/9 = 5 i 15/9 - 5 i 8/9 = 7/9
11 i 5/7 - 10 i 6/7 = 10 i 12/7 - 10 i 6/7 = 6/7
połącz z odpowiednimi wynikami
