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GeoGebra Lesson
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碗里放三个球
Author:
xu
Topic:
Geometry
,
Solids or 3D Shapes
,
Sphere
制作者：徐敏
GeoGebra
New Resources
國旗 (Claude 版)
Earth with coastline
美國國旗 (Codex, 2026.10.06)
直角坐標平面上的旋轉變換
三半圓間的相切圓(Codex╱2026.10.07)
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西瓦定理
圓的基本性質
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Orthocenter
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Step Functions
Arithmetic
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