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平移法（四）
Author:
jocelyntam
,
Choy Wai Yan
GeoGebra
New Resources
兩組對邊相等的四邊形
美國國旗 (Codex 版)
找出對稱軸
Fibonacci Clock
Earth with coastline
Discover Resources
前景圖、背景圖
三角柱算體積(可以切開)
角的大小與角兩臂的長度有關？
畫圖用底圖(含輔助格線)
面積比化為向量比
Discover Topics
Sequences and Series
Congruence
Similar Triangles
Dilation
Tree Diagrams