Question

simplifique 11!+9!
____
8!​

Answer 1

Resposta:

999

Explicação passo-a-passo:

$\frac{11.10.9.8! + 9.8!}{8!}$

11.10.9 + 9

990 + 9

999

Answer 2

$\frac{11! + 9!}{8!} \\\\\frac{11.10.9.8! + 9.8!}{8!} \\\\\frac{8!(11.10.9 + 9)}{8!}$

Simplificando o 8!, temos

11.10.9 + 9

990 + 9 = 999

Resposta: 999

Espero ter ajudado :D