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拋物線軌跡
Author:
吳淑惠
Topic:
Conic Sections
GeoGebra
New Resources
sanjiaohanshu
幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
中華民國國旗 (Codex╱2026.10.06)
算柱 (兩位數)
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正方體摺紙圖樣的旋轉及反射
空間中平面
ex 6
正方体展开图的副本
圓錐截痕
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Triangles
Rhombus
Ellipse
Parabola
Cone