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Author:
ethan10
GeoGebra
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可拖动A、B 改变形状
高中数学教材配套资源【人教】
繪畫梯形
属于与不属于
伞骨架模型
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把三角形分類
Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角：測驗
F.1 Ch10.5 Transformation of Points on the Coordinate Plane
ETV 對稱
圓柱截面曲線
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Straight Lines
Function Graph
Circumcircle or Circumscribed Circle
Right Triangles
General Quadrilateral