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橢圓軌跡
Author:
羅驥韡 (Pegasus Roe)
Topic:
Conic Sections
GeoGebra
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近似值：有效數字
直角坐標平面上的旋轉變換
四邊形的特性
小数 的副本
中華民國國旗 (Codex╱2026.10.06)
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費氏螺旋線(配合試算表)
DSE Circle-ACT01A Relationship between Chords and Centre of a Circle
圓形單獨滑動
S3 Ex4.3 Q03(3D圖)
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Percentages
Dilation
Equilateral Triangles
Constructions
Orthocenter