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Author:
陈宜红
GeoGebra
New Resources
Earth with coastline
AI 訓練教室
世界平面地圖 (Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
三半圓間的相切圓(Codex╱2026.10.07)
Discover Resources
滚动的硬币
孟氏定理 (Menelaus' theorem)
圓與直線
空間坐標系學習單
圆内接与圆外切多边形
Discover Topics
Square
Vectors 3D (Three-Dimensional)
Intersection
Triangles
Random Experiments