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Author:
wang3213
GeoGebra
New Resources
畫出對稱圖形
四邉形 (四年級) 教師版
找出對稱軸
兩位數加法
算柱 (兩位數)
Discover Resources
Circle on a Sphere
旋轉三角形
「相似三角形」任务5的副本
三視圖
一个桶八个球
Discover Topics
Multiplication
Diagrams
Random Experiments
LCM and GCD
Standard Deviation