Question

Fatorial → 7!÷ 2! + 5!

Answer 1

7! = 7x6x5x4x3x2x1 = 5040
2! = 2x1 = 2
5! = 5x4x3x2x1 = 120

 = 5040/2 + 120 = 2640

Answer 2

7! = 7.6.5.4.3.2.1 = 5040

2! = 2.1 = 2

5! = 5.4.3.2.1 = 120

5040 / 2 = 2520

2520 + 120 = 2640