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螢橋國中 洪芷昀
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螢橋國中
GeoGebra
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Nested spiral octagon
近似值：有效數字
幾何作圖題：切三圓（題目）
找出對稱軸
中華民國國旗 (Codex╱2026.10.06)
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點到直線距離-3 最短發生在垂直時
三角形數
二次曲線-2.拋物線
圓錐曲線的光學性質
Percentage(百分法)
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Differential Equation
Equilateral Triangles
Variance
Tangent Line or Tangent
Geometric Transformations