Răspunsuri

Cel mai inteligent răspuns!
2014-09-28T15:29:36+03:00
Notam x nr cautat. =>
2x-x:2=456(=)4*x:2-x:2=456(=)3:2*x=456(=)x=456*2:3(=)x=304
1 5 1