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Author:
Lin Ching Chieh
GeoGebra
New Resources
常见四边形是否是双心四边形
百分數及其應用
斐波那契螺旋弧线(表格法)
折扣
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
Locus 軌跡(4T)
特製的門 2
旋轉矩陣
Copy of 劉徽的「割圓術」
纏繞畫2
Discover Topics
Centroid or Barycenter
Logarithmic Functions
Vectors
Derivative
Cuboid