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1718F6T1P2 MC
Author:
tcchan
GeoGebra
New Resources
双心四边形
常见四边形是否是双心四边形
直線的斜率：水平變化 & 鉛垂變化
圓的基本性質
科赫雪花
Discover Resources
溫室
ggb-fs-a1
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
端點在兩圓周線段中點軌跡
固定面積的圖形周界變化
Discover Topics
Solids or 3D Shapes
Incircle or Inscribed Circle
Tangent Function
Cube
Volume