Clase no 1 teoria 2017 from ALECOXSDB

https://docs.google.com/presentation/d/15MGH7HErvDmpTkCUZIqaTHZ0rN2rMIVLWYweoLFcy8g/pub?start=false&loop=false&delayms=5000https://docs.google.com/presentation/d/15MGH7HErvDmpTkCUZIqaTHZ0rN2rMIVLWYweoLFcy8g/pub?start=false&loop=false&delayms=5000