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Apollonius Problem poncelet fouche
Author:
tkyggb
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
找出對稱軸
畫出對稱圖形
球体的体积推导（优化版）
Discover Resources
永遠垂直、以像素為單位的向量？
corry v2
橢圓
斜線
「相似三角形」任务1的副本
Discover Topics
Arithmetic Mean
Real Numbers
Conditional Probability
Complex Numbers
Scatter Plot