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GeoGebra Lesson
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Author:
chen mingchuan
GeoGebra
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Fibonacci Clock
近似值：有效數字
畫出對稱圖形
直角坐標平面上的旋轉變換
四邊形的特性
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Trigonometric Ratios: Sine 三角比：正弦
圓與弦2
橢圓軌跡加滑桿
優良作品3(昀潔)
堑堵 鳖臑 阳马
Discover Topics
Statistical Characteristics
Quadrilaterals
Trigonometric Functions
Functions
Sine