cat3987

Verified answer

1)_:8=8 (ост.6)

8×8+6=70

70:8=8 (ост.6)

2)_:30=2 (ост.20)

30×2+20=80

80:30=2 (ост.20)

3)_:7=106 (ост.5)

106×7+5=747

747:7=106(ост.5)

4)_:57=1 (0ст.2)

57×1+2=59

59:57=1(ост.2)