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Proof1 楊玉峰
Author:
郭亮偉
GeoGebra
New Resources
四邊形的特性
球体的体积推导（优化版）
畫出對稱圖形
球體建築師
錐體建築師
Discover Resources
這是什麼角？
Klein Bottle
曲面
Ex5C#5
Rotational symmetry of triangular prism
Discover Topics
Integral Calculus
Fractal Geometry
General Quadrilateral
Geometric Transformations
Tree Diagrams