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同心圓
Author:
賴詩唐
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
sanjiaohanshu
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世界平面地圖 (Codex╱2026.10.07)
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Quiz on Conditions for Congruence of Triangles 全等三角形的判定條件：測驗
線性組合3：正方形
柯西不等式 (2)
分数应用题数量关系线段图示
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Quadrilaterals
Tangent Line or Tangent
Incircle or Inscribed Circle
Isosceles Triangles
Sine