Vreau si eu exercitiul 5, va roog!! Repedee

Vreau Si Eu Exercitiul 5 Va Roog Repedee class=

Răspuns :

x/y=2/3
x=2y/3

(2*2y/3-y) / (2y/3+3y)=
(4y/3-y) / (2y/3+3y)=
[(4y-3y)/3] / [(2y+9y)/3]=

(y/3) / (11y/3)=
y/3x3/11y=
3y/33y=1/11 raspuns corect B)