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拋物面的光學性質
Author:
宋政蒲
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
判斷球體
畫出對稱圖形
兩位數加法
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圓外一點到圓的距離
斜射光三角量測
圓外切四邊形對邊和等長
ABC 1
與兩圓相切之圓心雙曲線軌跡
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Geometry
Continuity
Orthocenter
Similar Triangles
Circumcircle or Circumscribed Circle