Răspuns :
a+b=75
a:b=8 rest 3
a=8b+3
a+b=75
8b+3+b=75
9b+3=75
9b=75-3
9b=72 |:9
b=8
a+8=75 => a=75-8 => a=67
a:b=8 rest 3
a=8b+3
a+b=75
8b+3+b=75
9b+3=75
9b=75-3
9b=72 |:9
b=8
a+8=75 => a=75-8 => a=67