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congruent triangles_provided by Mr Yeung Kar Chun
Author:
kidmancmw
GeoGebra
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近似值：有效數字
美國國旗 (Codex, 2026.10.06)
國旗 (Claude 版)
三半圓間的相切圓(Codex╱2026.10.07)
長方體平面投影 (Codex版)
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圖例
原子筆的長度
CAS View
拋物線
三角形的三个旁切圆.许兴华数学
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Geometric Distribution
Cylinder
Parallelogram
Orthocenter
Vectors