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直角顶点重合的两个等腰直角三角形旋转演示
Author:
于卫芳
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
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sanjiaohanshu
美國國旗 (Claude 版)
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梯形的面積
圓外切四邊形對邊和等長
Proof35 高士哲
菱形
Copy of 正方体展开图
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Logarithm
Sine
Coordinates
Definite Integral
Integral Calculus