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GeoGebra
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GeoGebra
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Rectangle
Author:
Ku, Yin Bon (Albert)
Topic:
Geometry
GeoGebra
New Resources
双心四边形
常见四边形是否是双心四边形
斜率的值
直線的斜率：水平變化 & 鉛垂變化
三角函数 的副本
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動態面積展示
[S3] a GeoGebra file created by a pre-service teacher Peter (pseudonym)
奠基
三角函數 描點作圖
畢氏定理
Discover Topics
Tangent Line or Tangent
Similar Triangles
Equilateral Triangles
Mode
Division