Exemplo: As maneiras de fazermos arranjos com cores

In this video we calculate the total number of passwords formed by 4 colors that we can create if we have a total of 6 colors at our disposal. English title: Example: Ways to arrange colors Original URL: http://www.khanacademy.org/video?v=oQ... Learn more at: http://www.fundacaolemann.org.br/khan...