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二元一次不等式
Author:
CIY
GeoGebra
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美國國旗 (Codex 版)
算柱 (兩位數)
中華民國國旗 (Codex╱2026.10.06)
長方體平面投影 (Codex版)
三半圓間的相切圓(Codex╱2026.10.07)
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Slope 斜率 - 概念及定義 (3)
拋物線
橢圓
割圓
斐波那契螺旋弧线（表格法）
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Rectangle
Quadratic Equations
Vectors 3D (Three-Dimensional)
Hyperbola
Fractal Geometry