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三角形面積
Author:
s1109465
GeoGebra
New Resources
撒针估算面积实验
活动三：应用性质
双心四边形
折扣
龙形曲线-分形龙
Discover Resources
Quiz on Projection of a Line Segment on a Plane 投影：測驗
Is this a prism 8
ggb-fs-b1
正n邊形與圓上點的中點軌跡(解析)
untitled a01
Discover Topics
Volume
Geometry
Ellipse
Tangent Line or Tangent
Pythagoras or Pythagorean Theorem