Odpowiedź:
4 * 5 i 1/3 = 4 * 16/3 = 64/3 = 21 i 1/3
9 * 3 i 1/5 = 9 * 16/5 = 144/5 = 45
2 i 3/7 * 4 = 17/7 * 4 = 68/7 = 9 i 5/7
3 i 2/9 * 5 = 29/9 * 5 = 145/9 = 16 i 1/9
4 i 1/4 * 7 = 17/4 * 7 = 119/4 = 29 i 3/4
6 * 2 i 5/12 = 6 * 29/12 = 174/12 = 14 i 6/12 = 14 i 1/2
