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三角形的三角和及外心、內心圓
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Claude 解幾何題
美國國旗 (Codex, 2026.10.06)
近似值：有效數字
畫出對稱圖形
四邊形的特性
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半圓五角形滑動
locus of a segment
愛心立體圖
数学几何
圓周公式應用題1的副本
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Area
Cylinder
Trapezoid
Arithmetic Operations
Equations