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illusiion 6 平行线错觉
Author:
arist
GeoGebra
New Resources
第三周作业效果演示
正方形雪花图案
龙形曲线-分形龙
第八周作业2
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
講義P80 剪出現對稱圖形.ggb
congruent (SSA, RHS)
Flux of a vector field
Copy of 拼圖遊戲
小正多边形在大正多边形内的滚动(边长相等)
Discover Topics
Trigonometry
Planes
Arithmetic Operations
Rotation
Tangent Line or Tangent