Respostas

  • Usuário do Brainly
2013-09-30T00:18:12-03:00
Arranjo Simples:

A(7,3) = 7! / (7-3)!
A(7,3) = 7! / 4!
A(7,3) = 7.6.5.4! / 4!
A(7,3) = 7.6.5
A(7,3) = 210
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2013-09-30T00:18:20-03:00