Page 11 - taller matematicas_Neat
P. 11
K =2
K =2, K =3 1
1
2
! 7! 7∗6∗5∗4∗3∗2!
! 7! ( !) = = =
( ! !) = 1! 2! = 2! 3! 1! 2! 2!
=7*6*5*4*3 =2.520
7∗6∗5∗4∗3!
= =7*6*5*2 =420
2 3!
K =2, K =4
2
1
K =4, K =2
4
3
K =3, K =5
1
2
( ! ! ! !) = !
! 8! 1! 2! 3! 4!
( ! !) = 1! 2! = 3!5!
= 12! = 12∗11∗10∗9∗8∗7∗6∗5∗4!
7∗6∗5! 2!4!4!2! 12 4 4!
= =7*3 =21
2 5! =11*10*9*2*7*6*5 =415.800
