Question

ПОМОГИТЕ РЕШИТЬ ЭТО !

Answer 1

$b + \frac{2a - {b}^{2} }{b} = \frac{ {b}^{2} }{b} + \frac{2a - {b}^{2} }{b} = \frac{ {b}^{2} + 2a - {b}^{2} }{b} = \frac{2a}{b} = \frac{2 \times 49}{10} = \frac{49}{5} = 9 \frac{4}{5}$