Combinazioni

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2u4/ Traduzione in Italiano del video Combinations http://www.youtube.com/watch?feature=player_embedded&v=bCxMhncR7PU http://www.khanacademy.org/math/precalculus/v/combinations Help us caption & translate this video! http://amara.org/v/B2u4/