Respostas

2014-04-24T22:13:54-03:00
2! = 2 x 1 = 2
3! = 3 x 2 x 1 = 6
5! = 5 x 4 x 3 x 2 x 1 = 120
2 3 2
2014-04-24T22:14:28-03:00
2!= 2x1=2
3!= 3x2x1=6
5!= 5x4x3x2x1=120