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S0G21 費馬點與拿破侖定理
Author:
学用数学
GeoGebra
New Resources
异形操场
盈利與虧蝕
龙形曲线-分形龙
双心四边形
科赫雪花
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範例：畫圈圈的筆
中點軌跡
RECTANGLE
創作對稱圖形 LEVEL 4
異側AP+BP最小值
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Integers
Matrices
Parametric Curves
Straight Lines
Angles