15-5-2018

https://latistor.blogspot.gr/2011/12/blog-post_15.html

γλώσσα
http://ebooks.edu.gr/modules/ebook/show.php/DSDIM-E104/515/3352,13528/

http://anoixtosxoleio.weebly.com/tauetalambdaepsilon972rhoalphasigmaeta.html#.WvkF2i2WQ2w

μαθηματικά
http://psamouxos.blogspot.gr/search/label/%CE%9C%CE%B1%CE%B8%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CE%AC%20%CE%95%CE%84%2044%CE%BF%20%CE%9A%CE%B5%CF%86.

https://www.slideshare.net/xristoasxar/951-75356850


φυσική
http://anoixtosxoleio.weebly.com/etachiomicronsigma.html#.WvkH-i2WQ2w