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優良作品3(昀潔)
Author:
Ching-Hui Chou
GeoGebra
New Resources
畫出對稱圖形
画直线等分三角形的面积
球體建築師
兩組對邊相等和有直角的四邊形
柱體建築師
Discover Resources
用 Geogebra 模擬日照、影長變換
畢式定理 (05)
面積的認識4
抛物线动态（不一样的做法）
Addition and Subtraction of Directed Numbers (1)
Discover Topics
Parallelogram
Straight Lines
General Quadrilateral
Statistics
Means