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特殊線.ggb
Author:
cyrus
GeoGebra
New Resources
球体的体积推导
柱體建築師
畫出對稱圖形
拼砌四邊形
三位數除以一位數（二）
Discover Resources
雙曲線尺規作圖01
圖三
向量加法
等腰三角形
橢圓代數性質,光學性質,生活應用
Discover Topics
Planes
Stochastic Process or Random Process
Derivative
Geometry
Pythagoras or Pythagorean Theorem