Răspunsuri

2014-10-28T09:40:02+02:00
3*483-x=56
1449-x=56
x=56-1449
x=-1393

Cel mai inteligent răspuns!
2014-10-28T09:40:32+02:00
3(273-210)-x=56
3·63-x=56
189-x=56
x=189-56=133