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false/orthocenter-mirror-are-collinear.ggb
作者：
Prover Test
主題：
垂心
GeoGebra
最新資源
Circle Passing Through 3 Points
Prism Drawn in 1-Point Perspective
Reflection = 180° Rotation about a Line
רישום חופשי
Volume by Disk/Washer around y
探索資源
Conc vs time to find order 2
quadrilaterals
Sway Embed Example
The Unit Circle
Isosceles Trapezoid
Untitled
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圓
角柱
算術
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