20/25=4/5
4/5=0,8
17/34=1/2
1/2=0,5
24/32=3/4
3/4=0,75
39/60=13/20
13/20=0,65
27/75=9/25
9/25=0,36
15/24=5/8
5/8=0,625
20/25=4/5
4/5=0,8
17/34=1/2
1/2=0,5
24/32=3/4
3/4=0,75
39/60=13/20
13/20=0,65
27/75=9/25
9/25=0,36
15/24=5/8
5/8=0,625