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先估算，後看解釋
Author:
Tse Sir
先估算，後看解釋
New Resources
拼砌四邊形
Earth with coastline
長方體平面投影 (Codex版)
畫出對稱圖形
國旗 (Claude 版)
Discover Resources
南瓜趣臉
葉子型
gjh-e01-02 未知數邊長的長方形
軌跡觀察---兩圓上線段中點
Statistical calculator
Discover Topics
Addition
Parallelogram
Histogram
Vectors 2D (Two-Dimensional)
Geometric Transformations