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数学勾股定理
Author:
xuhao
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
畫出對稱圖形
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
外心垂心問題
菱形
勝者即正義
三視圖
多边形旋
Discover Topics
Quadrilaterals
Geometric Transformations
Boxplot
Line Segment
Interest Calculation