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Apollonius Problem gergonne 3
Author:
tkyggb
GeoGebra
New Resources
找出對稱軸
拼砌四邊形
錐體建築師
柱體建築師
画直线等分三角形的面积
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Normal Vector
Quiz on Solving Inequalities 解不等式：測驗
三角形數
Testing
拋物線2-焦點法
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Combinatorics
Centroid or Barycenter
General Quadrilateral
Exponent
Translation