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定长线段在相交直线上滑动
Author:
冯伟冀
GeoGebra
New Resources
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
柱體建築師
找出對稱軸
GeoGebra笔记功能体验课件
Discover Resources
幾何變換
阿波羅尼奧斯圓
Torus
Geometry: Types of Angles 2 (幾何：角的種類 2)
心脏线切线族
Discover Topics
Secant Line or Secant
Sine
Conic Sections
Intersection
Hyperbola