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Tractrix surface
Author:
Jui-Tang Chen
Tractrix surface
GeoGebra
New Resources
判斷球體
畫出對稱圖形
找出對稱軸
算柱 (兩位數)
兩組對邊相等的四邊形
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Nets of a square pyramid
圓&五邊形
Parallelogram
Projection01
勾股定理的直观证明（义务教育数学 新课标-例82）
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General Quadrilateral
Rhombus
Line Segment
Cylinder
Angles