Respostas

2014-05-07T15:30:45-03:00


2! = 2x1  = 2

3! = 3x2x1 = 6

5! = 5x4x3x2x1= 120


1 5 1
2014-05-07T15:31:34-03:00
2!=2x1=2
3!=3x2x1=6
5!=5x4x3x2x1=120