Somme di Interi

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xL/ Traduzione in Italiano del video Integer sums http://www.youtube.com/watch?v=W254ewkkMck http://www.khanacademy.org/video/integer-sums?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2xL/