Question

simplifique as expressões:
3! 8! /2! 6!= ?

4! + 6!/6!=?

Answer 1

Vanessa,
Aplicar propriedades de fatorial

             $\frac{3!.8!}{2!.6!} = \frac{3.2!.8.x7.6!}{2!.6!} = \frac{3.8.7.2!.6!}{2!.6!} =3.8.7 = 168 \\ \\ 4! + \frac{6!}{6!} =4.3.2.1+1=25$