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離心率與圓錐曲線
Author:
Ho-Kai Chen
Topic:
Ellipse
,
Hyperbola
,
Parabola
GeoGebra
New Resources
球體建築師
柱體建築師
錐體建築師
兩位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
兩直線+圓
Graph of Quadratic Function 二次方程圖像
同心圓和線段-2(最外圓大小固定)
gpxxz 線性組合：六角星、mj100-3
學習活動一解的意義
Discover Topics
Special Points
Tangent Function
Optimization Problems
Curve Sketching
Secant Line or Secant