Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2yA/ Esercizi: http://www.khanacademy.org/exercises?exid=division_0.5 Traduzione in Italiano del video Division 1 http://www.youtube.com/watch?v=MTzTqvzWzm8 http://www.khanacademy.org/video/division-1?playlist=Arithmetic