Odpowiedź :
6 min = 6/60h=1/10h
12 min = 12/60=1/5h
32 min = 32/60=16/30=8/15h
48 min = 48/60=4/5h
50 min= 50/60=5/6h
18 min = 18/60=3/10h
6 min = 6/60h=1/10h
12 min = 12/60=1/5h
32 min = 32/60=16/30=8/15h
48 min = 48/60=4/5h
50 min= 50/60=5/6h
18 min = 18/60=3/10h