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平行四邊形教材
Author:
蔡敏蓁
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
百分數及其應用
正方形雪花图案
椭圆内切圆链
镂空正方体案例对比
Discover Resources
直線方程
拋物線
perd fr ctr bisect
纏繞畫
St. Line
Discover Topics
Linear Equations
Addition
Surface
Tangent Line or Tangent
Vectors 2D (Two-Dimensional)