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Viviani's curve
Author:
Chenwei Chen
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
算柱 (兩位數)
畫出對稱圖形
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asqSQ
費爾巴哈(Feuerbach)定理
包絡線：橢圓
正方体展开图的副本
可拖动A、B 改变形状
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Area
Equations
Means
Plane Figures or Shapes
Translation