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圆锥曲线的统一定义（第二定义）
Author:
少平 朱
GeoGebra
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GeoGebra笔记功能体验课件
直角坐標平面上的旋轉變換
找出對稱軸
画直线等分三角形的面积
兩組對邊相等的四邊形
Discover Resources
多項式乘法
螢橋國中80235康瀚
坐標幾何
graph of y=-f(-(x-1))
畢氏定理
Discover Topics
Isosceles Triangles
Square
Complex Numbers
Symmetry
Linear Regression