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机电2班傅怀恩
Author:
wjq
GeoGebra
New Resources
球体的体积推导（优化版）
四邊形的特性
球體建築師
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
Rotation 旋轉變換
Contour Lines 等高線
三角形
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
洋葱初中数学
Discover Topics
Boxplot
Median Line
Angles
Surface
Diagrams