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长方形边线展开
Author:
刘文明
Topic:
Constructions
,
Geometry
,
Mathematics
GeoGebra
New Resources
伊朗國旗 (Codex╱2026.10.07)
找出對稱軸
畫出對稱圖形
近似值：有效數字
中華民國國旗 (Codex╱2026.10.06)
Discover Resources
四下_認識小數(學生版)
ego-motion
正三角形
對稱之美
鸚鵡螺旋線
Discover Topics
Arithmetic Mean
Binomial Distribution
Real Numbers
Linear Functions
Linear Equations