Addizione di Base

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2yH/ Esercizi: http://www.khanacademy.org/exercises?exid=addition_1 Traduzione in Italiano del video Basic Addition http://www.youtube.com/watch?v=AuX7nPBqDts http://www.khanacademy.org/video/basic-addition?playlist=Arithmetic Help us caption & translate this video! http://amara.org/v/B2yH/