Question

Представьте в виде дроби

Answer 1

$\frac{2a - b}{a} \times \frac{ab + a \times (2a - b)}{b \times (2a - b)} = \\ = \frac{1}{a} \times \frac{ab + 2 {a}^{2} - ab }{b} = \\ = \frac{1}{a} \times \frac{2 {a}^{2} }{b} = \frac{2a}{b}$