Power point differenziale Morreale Rofi

 https://docs.google.com/presentation/d/1ai-R0ivAQVCvE0TDqKD-owR0N9VFfZhVhX28GQQfqVw/1IzKn-mFh7Q0l7Cc9GV3VCeJaKZBdpj9U/edit?usp=drivesdk&ouid=114597322545369262909&rtpof=true&sd=true