Răspunsuri

2014-11-09T15:06:44+02:00
(x-1)+x+(x+1)+(x+2)=254

x-1+x+x+1+x+2=254

x+x+x+x=254+1-1-2

4x=252 

x=63
2 5 2
Cel mai inteligent răspuns!
2014-11-09T15:07:35+02:00
X-1+x+x+1+x+2=254
2+4x=254
4x=254-2
4x=252
x=252:4
x=63
3 5 3