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dhc987
GeoGebra
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國旗 (作圖步驟直接餵給 Claude)
兩組對邊相等和有直角的四邊形
球體建築師
四邉形 (四年級) 教師版
美國國旗 (Codex 版)
Discover Resources
線性變換矩陣（二階）
HKCEE 2010 Q15
Copy of 畫鐘面
莫比烏斯帶02
Golden Ratio (phi) Collection
Discover Topics
Vectors
Hypergeometric Distribution
Combinatorics
Natural Numbers
Calculus