Odpowiedź:
3/16:5=3/16*1/5=3/80
3/5:3=3/5*1/3=3/15
2/5:1/2=2/5*2/1=4/5
5/6+4/17:16/17-1/2*1/3-3/4=5/6+4/16-1/6-3/4=40/48+12/48-1/6-3/4=52/48-1/6-3/4=52/48-8/48-3/4=44/48-3/4=44/48-36/48=8/48
