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GeoGebra
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GeoGebra
GeoGebra Classroom
GeoGebra
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1205
Author:
Lin Ching Chieh
GeoGebra
New Resources
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业2
直線的斜率：水平變化 & 鉛垂變化
第八周作业3
Discover Resources
Construct a regular pentagon
哈里斯螺旋 (Harriss Spiral)
象形圖_李樂雯
Cardioid: r=1-cosθ
包絡線：橢圓
Discover Topics
Linear Equations
Orthocenter
Numbers
Centroid or Barycenter
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