Odpowiedź:
Zadanie 2
a) 2 * 2/5 = 4/5
b) 3 * 4/7 = 12/7
c) 3 * 3/2 = 9/2
d) 4 * 5/3 = 20/3
Zadanie 3
a) 4 * 2/9 = 8/9
4 * 3/5 = 12/5
b) 5 * 17/8 = 85/8
5 * 17/5 = 85/5 = 17
