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cg2011
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GeoGebra
最新資源
Teorema Japonês para quadriláteros inscritos em uma circunferência
Piano. Keyboard.
van Aubel's Theorem
Witch of Agnesi - A Classical Construction
Ellipse as Envelope - Correspondence Method
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perpendicular bisector
Properties of Parallelogram & Rhombus
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gold3
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算術運算
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