Răspuns:
1107:b=9
b=1107:9
b=123
_______
(312-144+6):c=3
174:c=3
c=174:3
c=58
_________
d:242=6
d=6×242
d=1452
________
y:9=155 rest 4
y=9×155+4
y=1399
623:z=5 rest 3
623=5z+3
623-3=5z
z=620:5
z=124
962=3w+2
962-2=3w
w=960:3
w=320
(27x41) :b=9
y:(81:9)=155rest4
y=155(81:9)+4
y=155*9+4
y=1395+4
(312-12x12+6):c=3
623:z=5rest3
z=(623-3):5
Z=620:5
Z=124
962:w=3rest2
W=(962-2):3
W=960:3
W=320
