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正弦型函数单参数变化
Author:
lzp80
GeoGebra
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國旗 (作圖步驟直接餵給 Claude)
Claude 解幾何題
近似值：有效數字
美國國旗 (Codex, 2026.10.06)
幾何作圖題：切三圓（題目）
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xsggh
mathmathmath
GGB研習成果01
青字歌
椭圆内部全等的双椭圆构造.许兴华数学
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Combinatorics
Tangent Line or Tangent
Algebra
Integral Calculus
Pie Chart or Circle Chart