ΜΑΘΗΜΑΤΙΚΑ ΚΕΦ. 48: ΒΡΙΣΚΩ ΤΟΝ ΜΕΣΟ ΟΡΟ

 

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https://taxidistignosi.wordpress.com/2021/04/14/%CE%BC%CE%B1%CE%B8%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CE%B1-%CE%BA%CE%B5%CF%86-48-%CE%B2%CF%81%CE%AF%CF%83%CE%BA%CF%89-%CF%84%CE%BF-%CE%BC%CE%AD%CF%83%CE%BF-%CF%8C%CF%81%CE%BF-5/

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http://daskalosa.eu/maths_st/st_maths_48_brisko_to_meso_oro.html

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https://www.slideshare.net/NansyTzg/ss-20746642