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教学素材：离心率相同的抛物线
Author:
清风拂琴，陌上花开
GeoGebra
New Resources
兩位數加法
四邉形 (四年級) 教師版
異分母分數減法
sanjiaohanshu
找出對稱軸
Discover Resources
Area of cirle
P4構作對稱圖形
Copy of 方格紙上畫長方形2
第一个绘本
GeoGebra 動畫開關按鈕製作的副本
Discover Topics
Unit Circle
Polynomial Functions
Functions
Quadrilaterals
Plane Figures or Shapes