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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
四邊形的特性
異分母分數減法
【案例】2013年安徽高考15题
Discover Resources
比流器3相連接方法--U,Z,Y,Δ
初犯九點圓
拋物線2-焦點法
拼出三角形的副本
游戏
Discover Topics
Straight Lines
Calculus
Root
Pythagoras or Pythagorean Theorem
Cylinder