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GeoGebra
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雙橢
Author:
Lin Ching Chieh
GeoGebra
New Resources
判斷球體
畫出對稱圖形
三位數除以一位數（一）
兩位數加法
三位數除以一位數（二）
Discover Resources
waaachen
沈老師等腰直角幾何題
Conic Sections
空間坐標
重心 謝易昀
Discover Topics
Tangent Line or Tangent
Congruence
Translation
Numbers
Curve Sketching