Răspunsuri

Cel mai inteligent răspuns!
2014-11-11T16:47:44+02:00
A+b=57
a:b=5+3
a=b*5+3
b*5+3+b=57
5b+3+b=57
6b+3=57
6b=57-3
6b=54
b=54:6
b=9
a+9=57
a=57-9
a=48
2 5 2