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角的認識
Author:
whtong
GeoGebra
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國旗 (Claude 版)
直角坐標平面上的旋轉變換
三半圓間的相切圓(Codex╱2026.10.07)
Earth with coastline
幾何作圖題：切三圓（題目）
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圓的內接四邊形
畫方格
時鐘
加法001(结果10以内)
S3 Ex4.3 Q05(3D圖)
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Trigonometry
Distributions
Linear Programming or Linear Optimization
Symmetry
Vectors 3D (Three-Dimensional)