Don't have Telegram yet? Try it now!
https://liveyourmaths.com/2018/09/30/%ce%b7-%ce%ad%ce%bd%ce%bd%ce%bf%ce%b9%ce%b1-%cf%84%ce%bf%cf%85-%ce%b4%ce%b9%ce%b1%ce%bd%cf%8d%cf%83%ce%bc%ce%b1%cf%84%ce%bf%cf%82-%cf%83%cf%84%ce%bf%ce%bd-%ce%b5%cf%85%ce%ba%ce%bb%ce%b5%ce%af%ce%b4/
Η έννοια του διανύσματος στον Ευκλείδειο χώρο!