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Author:
Pychiel Zheng
Topic:
Congruence
,
Mathematics
,
Triangles
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
錐體建築師
兩位數除以一位數（二）
Discover Resources
三角形內角和
分數的加法
JavaScript
二次函數
小船平移2
Discover Topics
Sphere
Rectangle
Equations
Trigonometry
Rhombus