Pythagora by Water (II)

作者：Daniel Mentrard

主題：Pythagoras or Pythagorean Theorem, 3D 立體形

http://dmentrard.free.fr/GEOGEBRA/Maths/PythawaterbMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/PythawaterbMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/PythawaterbMD.html

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