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Reflection 反射變換
Author:
Alex CHIK
Topic:
Reflection
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
小数 的副本
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
算柱 (兩位數)
第八周作业
Discover Resources
十字交乘法
空間多面體外接球 切平面
Copy of 函數切線及法線
五邊形
Quiz on Addition and Subtraction of Directed Numbers (1)
Discover Topics
Geometric Mean
Diagrams
Distributions
Parametric Curves
Circumcircle or Circumscribed Circle