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Pythagorean Fractal Tree
Author:
魏向东
GeoGebra
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圓的基本性質
探究三角形的全等條件
垂直線的斜率
【案例】2013年安徽高考15题
斜率的值
Discover Resources
計算在區域內部的圖形總數
Net of a cylinder
Copy of Liu Hui's Method of Finding π
正方体展开的动态
matrix of rotation transformation
Discover Topics
Optimization Problems
Linear Equations
Conic Sections
Symmetry
Reflection