Αντιγραφή του a proof of pythagorean theorem

a proof of pythagorean theorem... Thassos (Macedonia-Greece) April 30, 2008

 

Κασκαντάμης Μιχάλης

 
Type de ressources
Activité
Balises
Tranche d'âges
12 – 14
Langue
English (United States)
 
 
 
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