Question

Calcule o valor de:
a) 7! ÷ 4!
b) 3! . 7! ÷ 4! . 6!​

Answer 1

a)

7!/4! =

7.6.5.4!/4! =

7.6.5 =

42.5 =

210

B)

3!.7!/4!6!

3!.7.6.5.4!/4!.6!

3!7.6.5/6!

3!.7.6.5/6.5.4.3!

7.6.5/6.5.4

7/4

Answer 2

A) 7.6.5.4! /4! =200

........