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GeoGebra
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Mona 156
Author:
monatuur
GeoGebra
New Resources
Flip 9 Coins
探究長方形對角線上的正方形數目
Flip 5 Coins.
bewijs stelling van Pythagoras
רישום חופשי
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חזקה 1
Curvilinear coordinates
App1_Language
optional
Morley's Theorem