Question

daca simona primeste 17 timbre ar avea cu 8 mai putine decat corina,iar corina daca mai primeste 5 timbre ar avea cu 3 mai multe decat stefan.stiind ca stefan are 53 de timbre,cate timbre are fiecare copil?

Answer 1

3+53=56 timpre are corina                        56-8=48 timbre are simon

Answer 2

simona+17=corina -8
croina+5=serban+3
serban=53

corina+5=53+3
corina +5=56
56-5=corina
corina =51
simona+17=51-8
simona+17=42
simona =42-17
simona=25