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橢圓與雙曲線折紙
Author:
Hsin Han Wang
移動C點就可以看到橢圓跟雙曲線的包絡線
GeoGebra
New Resources
柱體建築師
錐體建築師
找出對稱軸
兩組對邊相等的四邊形
三位數除以一位數（一）
Discover Resources
Locus 軌跡(1T)
學資p.13第7題
圈柱
真方位角與羅盤方位角
不等式的應用
Question 2
Discover Topics
Orthocenter
Linear Equations
Dilation
Rhombus
Similarity Transformation or Similarity