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trigo ratios np2c
Author:
np2cmath
GeoGebra
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兩組對邊相等的四邊形
近似值：有效數字
直角坐標平面上的旋轉變換
異分母分數減法
畫出對稱圖形
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橢圓軌跡 (4)
色彩視覺藝術
指數函數圖形之平移
Slope(斜率公式)
Copy of 賺賠：例1
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Logarithmic Functions
Interest Calculation
Expected Value
Quadratic Equations
Median Line