Odpowiedź:
zad 1
4 i 1/2 : 1/2 = 9/2 * 2/1 = 9
1 i 1/2 : 1/4 = 3/2 * 4/1 = 6
zad 2
7/2 : 1/4 = 7/2 * 4 = 14
7/2 : 1/2 = 7/2 * 2 = 7
7/2 : 3/4 = 7/2 * 4/3 = 14/3 = 4 i 2/3
zad 3
4 : 1/2 = 4 * 2/1 = 8
9 : 2/7 = 9 * 7/2 = 63/2 = 31 i 1/2
11 : 7/3 = 11 * 3/7 = 33/7 = 4 i 5/7
