Question

(5*6!+ 6*5!)/6*6! решите

Answer 1

$frac{5cdot 6!+6cdot 5!}{6cdot 6!} = frac{5cdot 6!+6!}{6cdot 6!} = frac{6!(5+1)}{6cdot 6!} = frac{6}{6} =1$