Question

Daca scadem din jumatatea unui numar o treime din el,obtinem 1 supra 3. Aflati numarul
Rezolvarea completa,va rog

Answer 1

a/2-a/3=1/3;
⇒3a/6-2a/6=1/3
⇒a/6=1/3
⇒3a=6⇒a=2;

Answer 2

a/2-a/3=1/3⇒aducem la acelasi numitor
3a-2a=2
a=2