Question

Решите пожалуйста!!!

Answer 1

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

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

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