Question

calcule !
a ) 5!+4!-3! /6!
b)4!/2!
C)10!/5!
d)12!5!/10!3!

Answer 1

A) 3! (5.4 + 4 - 1)/6.5.4.3!  Elimina 3!
= (20 + 4 - 1)/120
= 23/120

B) 4.3.2!/2!  Elimina 2!
= 12

C) 10.9.8.7.6.5!/5!   Elimina 5!
= 30240

D) 12.11.10!.5.4.3!/10!.3!  Elimina 10! e 3!
=12.11.5.4 = 2640

Answer 2

a) 0,19
b)12
c) 30240
d)2600