Odpowiedź:
a) 1/2 = 2/4
2/3 = 4/6
5/8 = 10/16
b) 3/4 = 9/12
1/6 = 3/18
3/10 = 9/30
c) 1/2 = 4/8
1/3 = 4/12
4/5 = 16/20
d) 2/5 = 10/25
1/6 = 5/30
3/10 = 15/50
e) 4/7 = 24/42
3/5 = 18/30
4/10 = 24/60
f) 5/6 = 50/60
1/8 = 10/80
4/7 = 40/70
Pozdrawiam.
