Page 18 - Tecnicas de conteo ejercicios
P. 18
3!
3
) ( ) = = 2
2
2! × (8 − 2)!
8!
8
) ( ) = = 161278
2
2! × (8 − 2)!
12!
12
) ( ) = 2!×(12−2)! = 3628800
2
