Răspuns:
4_:9=5 rest 3
9•5+3=48- 48:9=5 rest 3
_1:7=4 rest 3
7•4+3=31- 31:7=4 rest 3
8_:9=9 rest 3
9•9+3=84- 84:9=9 rest 3
_3:6=5 rest 3
6•5+3=33- 33:6=5 rest 3