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橢圓規Ellipsograph (Trammel of Archimedes)
Author:
李莉
GeoGebra
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科赫雪花
椭圆内切圆链
异形操场
龙形曲线-分形龙
GeoGebra数学资源(4-8年级)
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練習
Quiz on Mixed Arithmetic Operations of Positive Integers 正整數四則混合運算:測驗
两平面夹角1
未命名圆锥的副本
小数除法
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Curve Sketching
Trigonometry
Rectangle
Multiplication
Congruence