Odpowiedź:
1/5 + 3/5 = 4/5
2/5 + 3/5 = 5/5 = 1
7/5 + 3/5 = 10/5 = 2
3 i 1/5 + 3/5 = 16/5 + 3/5 = 19/5 = 3 i 4/5
4/5 + 3/5 = 7/5
3/5 + 3/5 = 6/5 = 1 i 1/5
4 i 3/5 + 3/5 = 23/5 + 3/5 = 26/5 = 5 i 1/5
5 i 4/5 + 3/5 = 6 i 2/5