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兩圓內公切線
Author:
郭逸民
兩圓內公切線
GeoGebra
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Fibonacci Clock
世界平面地圖 (Codex╱2026.10.07)
國旗 (Claude 版)
湖南省张毅郴数字教研工作室 logo
伊朗國旗 (Codex╱2026.10.07)
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美麗的萬花筒
比流器3相連接方法--U,Z,Y,Δ
正方形所夾三角形面積相等
Flux of a vector field
gjc090b13 二次函數的平移
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Angles
Vectors 2D (Two-Dimensional)
Probability
Right Triangles
Inequalities