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折紙畫橢圓
Author:
連琨銘
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（二）
畫出對稱圖形
異分母分數減法
三位數除以一位數（二）
Discover Resources
How to draw a square with ruler and compasses?
拋物線4--焦點法
圓周_心算題02
新手任务绘本
椭圆的光学性质
Discover Topics
Secant Line or Secant
Confidence Interval
Right Triangles
Circumcircle or Circumscribed Circle
Linear Regression