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赵爽弦图的证明勾股定理
Author:
刘护灵
GeoGebra
New Resources
龙形曲线-分形龙2
圓的切線方程
百分數及其應用
平行線的斜率
正方形雪花图案
Discover Resources
peacock3
正方體的反射對稱1
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
週長面積皆相等的不全等三角形
題6
Discover Topics
Fractal Geometry
Similarity Transformation or Similarity
Similar Triangles
Random Variables
Inequalities