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黃金矩形
Author:
h6741957g
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
柱體建築師
直角坐標平面上的旋轉變換
兩位數除以一位數（二）
Discover Resources
百分數（小學）：折扣 / 賺賠
Example Generator (height of building)
测试问题
拋物線2--焦點法
橢圓的副本
Discover Topics
Plane Figures or Shapes
Geometric Transformations
Fractal Geometry
Constructions
Similarity Transformation or Similarity