Introduzione all'Ordine delle Operazioni

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2x4/ Esercizi: http://www.khanacademy.org/exercises?exid=order_of_operations Traduzione in Italiano del video Introduction to Order of Operations http://www.youtube.com/watch?v=ClYdw4d4OmA http://www.khanacademy.org/video/introduction-to-order-of-operations?playlist=Pre-algebra