pls na teraz daje najj

Odpowiedź:
6 - 3 2/9 = 2 7/9
5 - 2 1/11 = 2 10/11
7 - 1 3/7 = 5 4/7
5 - 5/9 = 4 4/9
9 - 4 4/11 = 4 7/11