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作者：
Bill Zahner
GeoGebra
最新資源
Marion's Theorem
bewijs stelling van Pythagoras
Untitled
Proof of a Rhombus by Construction and Deduction
z`]]
探索資源
Trapezoid Median: 2 Discoveries
Concurs 89.
Parallel Lines
trefoil
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指數函數
體積
正方形
算術運算
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