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GGB3
Author:
詠甯
GeoGebra
New Resources
畫出對稱圖形
判斷球體
直角坐標平面上的旋轉變換
拼砌四邊形
兩組對邊相等和有直角的四邊形
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「ASS」
quadrilaterals 6
圖形的周界
數學傳播39卷4期, 平面幾何公式思考
小立方体组合的三视图-立方体可任意拖动
Discover Topics
General Quadrilateral
Combinatorics
Symmetry
Curve Sketching
Orthocenter