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周界-平移法(教學練習一)
Author:
Choy Wai Yan
GeoGebra
New Resources
四邊形的特性
【案例】2018年全国1卷理科12题
畫出對稱圖形
兩位數加法
兩位數除以一位數（二）
Discover Resources
省政信箱
Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
內公切線長
十六菊
开关灯游戏
Discover Topics
Normal Distribution
Numbers
Incircle or Inscribed Circle
Cylinder
Correlation