Esempio piu' complesso sull'Ordine delle Operazioni

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2x5/ Esercizi: http://www.khanacademy.org/exercises?exid=order_of_operations Traduzione in Italiano del video More Complicated Order of Operations Example http://www.youtube.com/watch?v=piIcRV2dx7E http://www.khanacademy.org/video/more-complicated-order-of-operations-example?playlist=Pre-algebra