Răspuns:
Bună,
[tex] \frac{a}{b} = \frac{3}{5} = > 3b = 5a = > \frac{5a}{3} \\ \frac{a}{c} = \frac{2}{ 3} = > 2c = 3a = > c = \frac{3a}{2} \\ \frac{b}{c} = \frac{ \frac{ \frac{5a}{3} }{3a} }{2} = \frac{5a}{3} \times \frac{2}{3a} = \frac{5}{3} \times \frac{2}{3} = \frac{10}{9} [/tex]
Sper că te-am ajutat
