Question

Представьте в виде дроби

Answer 1

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