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Author:
李春培
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GeoGebra
New Resources
百分數及其應用
平行線的斜率
双心四边形
科氏力 (Coriolis Force)
讀磅
Discover Resources
重複排列
斜坐標
台灣國旗(I love Taiwan)
四年級除法
两角和的正弦公式几何证明1
Discover Topics
Sequences and Series
Piecewise Functions
Functions
Median Line
Rotation