30:4=7(ост.2) 4*7=28+2=30
10:3=3(ост.1) 3*3=9+1=10
35:6=5(ост.5) 6*5=30+5=30
20:7=2(ост.6) 2*7=14+6=20
60:9=6(ост.6) 6*9=54+6=60
69:8=8(ост.5) 8*8=64+5=69
50:8=6(ост.2) 6*8=48+2=50
17:3=5(ост.2) 5*3=15+2=17
