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圆锥曲线
Author:
许亚平
Topic:
Conic Sections
GeoGebra
New Resources
平行線的判定
三角函数 的副本
第八周作业1
盈利與虧蝕
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
大樂透開獎機2
認識GeoGebra--相似三角形
時鐘小幫手
從到兩邊等距的點
MathMedia150206
Discover Topics
Surface
Line Segment
Tangent Function
Secant Line or Secant
Linear Programming or Linear Optimization