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正三角形
Author:
炫哥
Topic:
Equilateral Triangles
GeoGebra
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直角坐標平面上的旋轉變換
中華民國國旗 (Codex╱2026.10.06)
美國國旗 (Codex 版)
三半圓間的相切圓(Codex╱2026.10.07)
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謝丞宇
動態文字多項式函數
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数学教学新帮手
Copy of 二面角
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Straight Lines
Reflection
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Intersection