Pewnie :)
1 - 1/7 = 6/7
2 - 1/7 = 1 6/7
6 - 1/7 = 5 6/7
10 - 1/7 = 9 6/7
1 - 5/6 = 1/6
2 - 5/6 = 1 1/6
5 - 5/6 = 4 1/6
7 - 5/6 = 6 1/6
2 - 1 3/11 = 8/11
3 - 1 3/11 = 1 8/11
5 - 1 3/11 = 3 8/11
8 - 1 3/11 = 6 8/11
3 - 2 5/9 = 4/9
5 - 2 5/9 = 2 4/9
12 - 2 5/9 = 9 4/9
20 - 2 5/9 = 17 4/9
Mam nadzieje, że pomogłam :D
