Question

Решите пожалуйста!!!

Answer 1

$9b + \frac{5a - 9b {}^{2} }{b}$

$\frac{9b {}^{2} + 5a - 9b {}^{2} }{b }$

$\frac{5a}{b} = \frac{5 \times 9}{36} = \frac{45}{36} = 1.25$