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賺賠：例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
sanjiaohanshu
長方體平面投影 (Codex版)
找出對稱軸
美國國旗 (Codex 版)
兩組對邊相等的四邊形
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我的解法
平方差
橢圓軌跡
linkage
阿基米德的異想世界
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Straight Lines
Cube
Similarity Transformation or Similarity
Logic
Cylinder