Τσεκάρετε το τμήμα Science, έχει ενδιαφέρον!
Ίδετε και ένα ελληνικό κατόρθωμα:
www.guinnessworldrecords.com wrote:Most Proofs Of Pythagoras' Theorem
Eleftherios Argryopoulos of Greece, has discovered 520 different proofs of the Pythagorean theorem over a period of 11 years from 1986 to 1997.