Moltiplicazione di Numeri Interi e Applicazioni 6

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2uA/ Esercizi: http://www.khanacademy.org/exercise/arithmetic_word_problems_2 Traduzione in Italiano del video Multiplying Whole Numbers and Applications 6 http://www.youtube.com/watch?feature=player_embedded&v=bS6EmYzpou4 http://www.khanacademy.org/math/arithmetic/multiplication-division/v/multiplying-whole-numbers-and-applications-6