Question

ajuutor ajutorr dau puncte ajuutor va rogg repedesss​

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

(12x-5y)/3x=2/3

12x/3x-(y/x)5/3=2/3

³4-2/3=(5/3)(y/x)

10/3=(5/3)(y/x) /:5/3

2=y/x

x/y=1/2

(x²+xy)/y²=x²/y²+x/y=(x/y)²+x/y=1/4+²1/2=3/4

(x²+xy)/y²=3/4