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true/ellipse-symmetry2.ggb
作者：
Prover Test
主題：
橢圓
GeoGebra
最新資源
bewijs stelling van Pythagoras
Area of a Circle Illustrated
Mondrian's Puzzle
Classifying Triangles
Parallelogram Anatomy
探索資源
Coxeter-Figure 1.4 A (right)
Problem 89
Antenes corrected
AAS Congruence
Z-Angles: Alternate Interior Angles: Quick Investigation
Distances and Circles: IM Geo.6.4
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對稱
平移
相似三角形
統計
外接圓