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Author:
lamanleung
GeoGebra
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兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
四邉形 (四年級) 教師版
畫出對稱圖形
找出對稱軸
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四邊形 (2001 舊課程教師版)
平行四邊形的面積
test
雙曲柄
Area of triangle with different base
Discover Topics
Exponent
Geometric Transformations
Mathematics
Pyramid
Geometry