Question

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

Answer 1

$\frac{2a-b}{3b} = \frac{2a}{3b} - \frac{b}{3b} = \frac{2}{3} * \frac{a}{b} - \frac{1}{3} = \frac{2}{3} *2- \frac{1}{3} = \frac{4}{3} - \frac{1}{3} = \frac{3}{3} =1$