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ptccs2new
Author:
Cheung Wing Chuen
GeoGebra
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
三位數除以一位數（一）
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
Discover Resources
雙曲與漸近線
P53_3b
微分的基本原理圖例
小题狂做P60No2
点、线、角
Discover Topics
Cosine
Linear Regression
Exponent
Angles
Limits