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賺賠：例3
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
直角坐標平面上的旋轉變換
Fibonacci Clock
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
Is this a prism 4
七巧板
水波干涉
Pyramid (Angle between Plane HBC and HCD)
一线三等角模型
Discover Topics
Quadrilaterals
Algebra
Combinatorics
Curve Sketching
Plane Figures or Shapes