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daca x supra y calculati : x+y supra y .x+ 2ysupra 2y 3x-2y supra 3x+2y

Răspuns :

[tex] \frac{x+y}{y} = \frac{x+y}{y} [/tex]
[tex] \frac{x+2}{2y}= \frac{x+2}{2y} [/tex]
[tex] \frac{3x-2y}{3x+2y} = \frac{3x-2y}{3x+2y} [/tex]