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已知正三角形內部一點到三邊距離求面積
Author:
連琨銘
GeoGebra
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直角坐標平面上的旋轉變換
國旗 (作圖步驟直接餵給 Claude)
近似值：有效數字
畫出對稱圖形
算柱 (兩位數)
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三角
長方形
任意角的三角函数
國旗
S3 Ex4.3 Q04(3D圖)
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LCM and GCD
Reflection
Logarithmic Functions
Arithmetic Mean
Differential Calculus