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GeoGebra
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GeoGebra
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常见四边形是否是双心四边形
科赫雪花
盈利與虧蝕
双心四边形
第八周作业
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認識GeoGebra--相似三角形
AREA
拋物線(開口向上)
FHMS Corr Angles (Positions)
二次函數圖形(1)
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Sequences and Series
Statistical Characteristics
Circle
Algebra
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