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極座標 r=cos(Θ / 2)
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GEOGEBRA啟
GeoGebra
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正方形雪花图案
盈利與虧蝕
百分數及其應用
双心四边形
龙形曲线-分形龙2
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Section Curves
探索三角形SSS全等性質
Copy of 軸對稱
小五_近似值
全景平面投影
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Trigonometric Functions
Circle
Vectors 2D (Two-Dimensional)
Derivative
Hyperbola