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Author:
Sylvie
GeoGebra
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异形操场
第八周作业1
比較五件物件的重量
折扣
双心四边形
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以剪貼比較圖形大小
JavaScript
菱形的特性
分段函數
虎牙
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Ellipse
Means
Piecewise Functions
Geometry
Straight Lines