Răspunsuri

2014-11-16T16:28:49+02:00
2014-11-16T16:30:13+02:00
Nr.consecutive sunt:x, x+1,x+2
x+x+1+x+2=54
3x+3=54
3(x+1)=54
x+1=54/3
x+1=18
x=18-1
x=17
nr.sunt:17,18,19
17+18+19=54