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乘积为定值的椭圆和双曲线
Author:
亿铭
Topic:
Conic Sections
GeoGebra
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國旗 (Claude 版)
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中華民國國旗 (Codex╱2026.10.06)
幾何作圖題：切三圓（題目）
湖南省张毅郴数字教研工作室 logo
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【三角函數】sinx的平移
優良作品4(薇如)
平行四邊形
Copy of 仙后座找北極星1
PMC 2018-19
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Similar Triangles
Probability
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Correlation