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圆锥曲线折纸操作题（教材案例）
Author:
蔡永志
Topic:
Conic Sections
,
Ellipse
,
Hyperbola
GeoGebra
New Resources
找出對稱軸
畫出對稱圖形
算柱 (兩位數)
Earth with coastline
直角坐標平面上的旋轉變換
Discover Resources
旋轉一物件
旋轉一物件02
纏繞
空間旋轉矩陣
雙曲線1-焦點法
Discover Topics
Polynomial Functions
Trigonometric Functions
Pythagoras or Pythagorean Theorem
Stochastic Process or Random Process
Percentages