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Scrieti sub forma de raport algebric:[tex] \frac{x-y} {x+y}[/tex] +1

Răspuns :

[tex] \frac{x-y}{x+y}+1= \frac{x-y}{x+y}+ \frac{x+y}{x+y}= \boxed{\frac{2x}{x+y}}. [/tex]