Question

15)Aflati toate perechile (a.b) de numere naturale daca a supra 2= 3 supra b

Answer 1

$\frac{a}{2}= \frac{3}{b}$⇒ab=6
Si avem cazurile :
1) a=1,b=6 sau a=6,b=1
2)a=2,b=3 sau a=3,b=2 
Deci avem perechile (1,6),(6,1),(2,3),(3,2)

Answer 2

(1,6) (6,1) (3,2) (2,3) sper ca team ajutat