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平移2
Author:
kellyng895130
GeoGebra
New Resources
畫出對稱圖形
判斷球體
異分母分數減法
画直线等分三角形的面积
拼砌四邊形
Discover Resources
正四角柱
摺長方形
凸透镜原理模拟
我的第一个GGB绘本
定積分 (The Definite Integral)
Discover Topics
Arithmetic Mean
Cube
Quadratic Functions
Rotation
Combinatorics