Page 20 - taller matematicas_Neat
P. 20
n=40
r=6
Juan Caro
!
40!
= ! − ! = 6! 40 − 6 ! = 40∗39∗38∗37∗36∗35∗34! =10*13*16*37*6*7
=3.232.320
6∗5∗4∗3∗2 34!
