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教学素材：运动中的圆锥曲线
Author:
清风拂琴，陌上花开
GeoGebra
New Resources
双心四边形
直線的斜率：水平變化 & 鉛垂變化
圓的切線方程
第八周作业3
活动三：应用性质
Discover Resources
大樂透開獎機2
四連桿(可調)
Copy of 三角形的面積
untitled a01
Copy of 角平分線分點比例
Discover Topics
Definite Integral
Planes
Logarithmic Functions
Rotation
Similar Triangles