Excel esercizio 13 e 14 Di web.3383140531 Pubblicato il 27/11/2013 https://drive.google.com/file/d/0B837IS5bcnp7QzQ1QlVReEZYMzA/edit?usp=sharing https://drive.google.com/file/d/0B837IS5bcnp7MlBLY2xOZEFjeW8/edit?usp=sharing