Respostas

2014-06-08T22:01:52-03:00
2! = 2 x 1 = 2
3! = 3 x 2 x 1 = 6
5! = 5 x 4 x 3 x 2 x 1 = 120
1 5 1
2014-06-08T22:18:41-03:00
2! = 2.1 = 2
3! = 3.2.1 = 6
5! = 5.4.3.2.1 = 120
1 5 1