Excel

https://docs.google.com/file/d/0B1qnTBEctcrMQkx0Rnh0MnNBQWc/edithttps://docs.google.com/file/d/0B1qnTBEctcrMQkx0Rnh0MnNBQWc/edit
Trabalho que eu e o meu colega realizamos.