Question

........................................ ​

Answer 1

Răspuns:

Explicație pas cu pas:

x/y = 10/5 = 2  =>

x = 2y

-----

a)  (⁵⁾x+x/5)/(y+x) = (6x/5)/(x+y) = (12y/5)/3y =

12y/15y = 12/15 = 4/5

b) 5x/(2x+y) + y/x = 10y/(4y+y) + y/2y =

= ²⁾2 + 1/2 = 5/2