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九段考_10
Author:
李進福
GeoGebra
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活动三:应用性质
撒针估算面积实验
折扣
正方形雪花图案
球体的截面
Discover Resources
分形几何欣赏初步:树型图
初犯九點圓
cosine graph 變換
波羅摩及多定理
巴拉拉能量2.0
Discover Topics
Similar Triangles
Pythagoras or Pythagorean Theorem
Geometry
Optimization Problems
Equations