Odpowiedź:
Zad. 4
mianownika 12 a) ½ = ½ * 1/6 = 1/12
b) ¾ = ¾ * 1/3 = 3/12
c) ⅔ = ⅔ * ¼ = 2/12
licznika 8 a) ½ = 1/2 * 8/1 = 8/2 = 4
b) 2/5 = 2/5 * 4/1 = 8/5 = 1 3/5
c) 4/7 = 4/7 * 2/1 = 8/7 = 1 1/7
Zad. 5
a) 14/20 = 7/10
b) 2/12 = 1/6
c) 10/18 = 5/9
d) 30/50 = 3/5
