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S2I1 GGB错觉：挤出一块小空间
Author:
学用数学
GeoGebra
New Resources
畫出對稱圖形
球體建築師
美國國旗 (Codex 版)
兩組對邊相等的四邊形
小数 的副本
Discover Resources
达布和
HKJHGJHG
線性組合
M2: disc/shell
折纸—直三棱锥
Discover Topics
Terms
Ratios
Set Theory
Similarity Transformation or Similarity
Division