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fie b/a egal 1/2 . aflati valoarea expresiei 2a-b/3b pe lung rezolvarea va rog


Răspuns :

[tex] \frac{2a-b}{3b} = \frac{2a}{3b} - \frac{b}{3b} = \frac{2}{3} * \frac{a}{b} - \frac{1}{3} = \frac{2}{3} *2- \frac{1}{3} = \frac{4}{3} - \frac{1}{3} = \frac{3}{3} =1[/tex]