Răspuns :
n! e {4,5,6,7,8}.
Avem asa:
4!= 24 ( 1x2x3x4 )
5!= 120 (1x2x3x4x5) ...
6! = 720
7! = 5040
8! = 40320.
Deci n! = 1 x 2 x 3 x ... x n
Avem asa:
4!= 24 ( 1x2x3x4 )
5!= 120 (1x2x3x4x5) ...
6! = 720
7! = 5040
8! = 40320.
Deci n! = 1 x 2 x 3 x ... x n