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Author:
Henry Hsieh
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
四邊形的特性
拼砌四邊形
直角坐標平面上的旋轉變換
Discover Resources
魏燕貞的GeoGebra課材製作
Measuring Volume 3
認識分數
正弦函數的遞增與遞減
Copy of Fill a special area
Discover Topics
Arithmetic Operations
Square
Set Theory
Linear Equations
Scalene Triangles