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Autore:
曾己泉
三角形性質
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Nuovi materiali
Nested spiral octagon
Fibonacci Clock
美國國旗 (Codex 版)
四邊形的特性
Claude 解幾何題
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基本三角函數
三角柱展開
平行四邊形的副本
Addition and Subtraction of Directed Numbers (2)
（三）观察物体
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Rette secanti
Percentuali
Piramide
Quadrato
Integrale indefinito