Question

va rog ajutor dau coroana​

Answer 1

{a,b,c} d.p. { 3,5,7}

$\frac{a}{3} = \frac{b}{5} = \frac{c}{7} = k$

a=3k→ a=3x5=15

b=5k→ b=5x5=25

c=7k→ c=7x5=35

Inlocuim in a+b+c=75

3k+5k+7k=75

15k=75→ k=5

Sper ca te am ajutat!