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GeoGebra Lesson
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GeoGebra Lesson
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平行的角度
Author:
周桂名
兩平線的角度關係！ 看不出來，移動M點試試！
GeoGebra
New Resources
長方體平面投影 (Codex版)
Earth with coastline
Nested spiral octagon
sanjiaohanshu
畫出對稱圖形
Discover Resources
畫方格
四塊面積
圓外切四邊形
Ellipse_Horizontal
面積題 A
Discover Topics
Prism
Parabola
Expected Value
Arithmetic
Indefinite Integral