VĂ ROG URGENT!!!!!!!
DAU COROANA
AM NEVOIE PÂNA PE 11 IANUARIE

(2x+y)/(x+2y)=2/3
3(2x+y)=2(x+2y)
6x+3y=2x+4y
6x-2x=4y-3y
4x=y
x/y=1/4
(x×y+x²)/y²=(x×y)/y²+x²/y²=x/y+(x/y)²=1/4+(1/4)²=1/4+1/16=4/16+1/16=5/16