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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
兩組對邊相等的四邊形
兩位數除以一位數（一）
兩位數加法
柱體建築師
sanjiaohanshu
Discover Resources
賺賠：例1
黎曼和
smps perimeter
包含除法（整數÷整數）
旋轉對稱
Discover Topics
Median Line
Ellipse
Plane Figures or Shapes
Centroid or Barycenter
Planes