Question

simplifique(fatorial)

8!
----
6!2!

Answer 1

$\dfrac{8!}{6!.2!} \\ \\ \\ \dfrac{8.7.\not6!}{\not6!.2!} \\ \\ \\ \dfrac{8.7}{2} \\ \\ \\ \dfrac{56}{2} ~ =\ \textgreater \ 28$

Answer 2

8! : 6!2!

8.7.6.5.4.3.2.1
___________
6.5.4.3.2.1 . 2.1

Corta do 6 em diante, fica:
8.7 : 2.1 = 56 :2 = 28