Question

Calcule 6! 5! / 4! 3!

Answer 1

6!5!/4!3!


6! = 6.5.4.3.2.1 = 720
5! = 5.4.3.2.1 = 120

4! = 4.3.2.1 = 24
3! = 3.2.1 = 6


720.120/24.7 = 86400/144 = 600


R = 600