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GeoGebra
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GeoGebra
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GeoGebra
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3-6-03
Author:
Tzuen Hsu
GeoGebra
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平行線的斜率
空间中两直线的位置关系
球体的体积推导
球体的体积推导（优化版）
兩位數加法
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找中點的坐標
圖形C
比較分數的大小(小六)
線性組合的副本
雙曲線的題目的副本
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Inequalities
Diagrams
Solids or 3D Shapes
Fractions
Surface