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作者：
selinibrim
GeoGebra
最新資源
Ellipse and Equation
Weighing Scales: Lessons and Practices
bewijs stelling van Pythagoras
Matrices - Basic Terminology
Square Matrix Calculator
探索資源
efface
dy/dx as a gradient function
bisect an angle
Tangent-Chord Angles
Sécante
Invariant points in the line x=y. Points B, C, D are invariant in the line x=y. But A is reflected as A' in the line x=y.
探索主題
圓錐曲線
面積
錐體
等腰三角形
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