Respostas

2014-08-01T19:31:53-03:00
1- 7! / 2! = 7 x 6 x 5 x 4 x 3 = 2520 
3- 5! / 2! = 5 x 4 x 3 = 60 
FALTA
P5 2 = 5! / 2!
P5 2 = 5 . 4 .3 .2! / 2!
P5 2 = 5 . 4 .3
P5 2 = 60
OURO
P4 2 = 4! / 2!
P4 2 = 4 .3 .2! / 2!
P4 2 = 4 .3
P4 2 = 12
PANAMA
P6 3 = 6! / 3!
P6 3 = 6 . 5 . 4 .3! / 3!
P6 3 = 6 . 5 . 4
P6 3 = 120