Moze mi ktos powiedziec czy mam ulamki dobrze czy cos zle??
3 8/11 - 4/11 = 3 4/11
5 13/15 - 8/15 = 5 5/15
6 6/7 - 2 4/7 = 4 2/7
12 8/9 - 9 5/9 = 3 3/9
3 3/7 - 5/7 = 2 10/7 - 5/7 = 2 5/7
1 3/11 - 7/11 = 14/11 - 7/11 = 7/11
4 1/6 - 2 5/6 = 3 7/6 - 2 5/6 = 1 2/6
18 7/13-6 10/13 = 17 20/13-6 10/13 = 11 10/13
12 4/5 -(3 2/5-4/5) = 12 4/5 - 2 3/5 = 10 1/5​