Odpowiedź:
3/5 : 2 = 3/5 * 1/2 = 3/10
5/9 : 3 = 5/9 * 1/3 = 5/27
7/9 : 4 = 7/9 * 1/4 = 7/36
4/11 : 5 = 4/11 * 1/5 = 4/55
1 i 1/2 : 3 = 3/2 * 1/3 = 3/6 = 1/2
3 i 2/7 : 6 = 23/7 * 1/6 = 23/42
2 i 2/9 : 3 = 20/9 * 1/3 = 20/27
2 i 3/7 : 5 = 17/7 * 1/5 = 17/35
