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優良作品1(力誌)
Author:
Ching-Hui Chou
GeoGebra
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美國國旗 (Codex, 2026.10.06)
Nested spiral octagon
中華民國國旗 (Codex╱2026.10.06)
長方體平面投影 (Codex版)
近似值：有效數字
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和的完全平方
S6 3D Trigonometry HKDSE Past Paper
圓形
相似形的應用
微信公众号“sx880A8”第733期吉布提国旗République de Djibouti
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Numbers
Mathematics
Natural Numbers
Unit Circle
Reflection