Don't have Telegram yet? Try it now!
https://liveyourmaths.com/2016/08/19/%ce%b5%ce%be%ce%af%cf%83%cf%89%cf%83%ce%b7-%cf%80%cf%81%ce%bf%ce%b2%ce%bb%ce%ad%cf%80%ce%b5%ce%b9-%cf%80%ce%bf%cf%85-%ce%b8%ce%b1-%ce%b3%ce%af%ce%bd%ce%b5%ce%b9-%ce%bb%ce%b7%cf%83%cf%84/
Εξίσωση «προβλέπει» που θα γίνει ληστεία..