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符成岗
Author:
符成岗
GeoGebra
New Resources
找出對稱軸
球体的体积推导
畫出對稱圖形
球体的体积推导（优化版）
画直线等分三角形的面积
Discover Resources
「ASS」
等角对等边
平面截圆锥
圆的面积展开的副本
Collatz Conjecture 考拉兹猜想
Discover Topics
Hypergeometric Distribution
Reflection
Right Triangles
Conditional Probability
Square