Respostas

2014-09-02T11:23:37-03:00
C8,4= n!/p!(n-p)!

8!/4!*2!
8*7*6*5/2!
840.

R- 840!
2014-09-02T11:41:11-03:00
8*8=64 E O NUMERO POSSIVEL DE FAZER SALADA DIFERENTE