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ptccs2new
Author:
Cheung Wing Chuen
GeoGebra
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
第八周作业
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
資料點 x1, x2, ..., xn
test
glt-h02-01-長方體動態展開圖
重心
Copy of 二次函數圖形
Discover Topics
Equations
Scalene Triangles
Combinatorics
Planes
Quadratic Equations