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勾股定理III (修改)
Author:
吳政憲
GeoGebra
New Resources
折扣
科氏力 (Coriolis Force)
斐波那契螺旋弧线（表格法-可动态调节）
百分數及其應用
斐波那契螺旋弧线（表格法）
Discover Resources
大邊對大角
Time
Constructing Quadrilaterals by Four Sides (2014)
正方形
用圓作成的三角形
Discover Topics
Angles
Similar Triangles
Tangent Line or Tangent
Geometric Distribution
Circle