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双曲柄结构
Author:
孟宝兴
双曲柄结构
GeoGebra
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算柱 (兩位數)
幾何作圖題:切三圓(題目)
國旗 (作圖步驟直接餵給 Claude)
伊朗國旗 (Codex╱2026.10.07)
直角坐標平面上的旋轉變換
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包含除法(1 ÷分數)
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
平行四邊形和長方形的大小
locus of a segment
二项分布
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Frequency Distribution
Circle
Ellipse
Linear Equations
Curve Sketching