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1988全国理19
Author:
常振虎
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
近似值：有效數字
直角坐標平面上的旋轉變換
美國國旗 (Codex, 2026.10.06)
幾何作圖題：切三圓（題目）
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bkb-切割线定理
Apollonius Problem 8 CLL scaling 12
平行4
test1
正方体截球
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Boxplot
Sphere
Algebra
Vectors 3D (Three-Dimensional)