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三角函數sine跟cosine
Author:
JUNWAYLIANG
GeoGebra
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Nested spiral octagon
幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
中華民國國旗 (Codex╱2026.10.06)
畫出對稱圖形
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波羅摩及多定理應用
sun1
ghseh 二次函數描點法
勝者即正義
七巧板（tangram）的副本
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Distributions
Sequences and Series
Addition
Standard Deviation
Cylinder