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銳角三角：sin, cos
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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國旗 (Claude 版)
美國國旗 (Codex 版)
算柱 (兩位數)
球體建築師
長方體平面投影 (Codex版)
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海龍公式與內切圓半徑
Perigal's Dissection
GGB6
对数函数（表格文本效果）的副本
題 3 的複本
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Real Numbers
Integral Calculus
Trigonometry
Complex Numbers
Addition