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Proof2
Author:
郭亮偉
GeoGebra
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第八周作业1
龙形曲线-分形龙2
第八周作业
常见四边形是否是双心四边形
第八周作业2
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兩個點波源產生的波紋
阿波羅尼斯問題：與三圓相切的圓
數軸
ABC 2
intersection: surface-surface, curve-curve
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Constructions
Parametric Curves
Straight Lines
Conic Sections
Arithmetic Operations