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a Geogebra file created by the first pre-service teacher
Author:
Chan Yip-Cheung
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（二）
三位數除以一位數（二）
三位數除以一位數（一）
GeoGebra笔记功能体验课件
Discover Resources
優良作品3
vector1
錐台
雙曲線的漸近線
圖形拼砌
Discover Topics
Vectors
Scalene Triangles
Symmetry
Secant Line or Secant
Standard Deviation