Question

Suma a patru nr naturale consecitive este 50. Aflati nr .

Answer 1

fie x numarul natural
x+(x+1)+(x+2)+(x+3) = 50
4x+6=50
4x=50-6
4x=44
x=11
deci numerele sunt 11,12,13,14

Answer 2

a+(a+1)+(a+2)+(a+3)=50=>4a+6=50=>4a=44=>a=11=>a+1=12,a+2=13,a+3=14