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proof10 曹詠鈞
Author:
郭亮偉
GeoGebra
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兩位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
找出對稱軸
判斷球體
Discover Resources
Where is Micky?
Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
圓上圓
二面角
矩阵（自动）计算（数据为0-5的随机数）
Discover Topics
Quadratic Equations
Cosine
Function Graph
Straight Lines
Incircle or Inscribed Circle