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Author:
万超杰
GeoGebra
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第八周作业1
斐波那契螺旋弧线（表格法）
活动三：应用性质
撒针估算面积实验
盈利與虧蝕
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有趣的反例
階梯圖形(一)
立体几何
Ex10.1 q13
駐波
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Angles
Definite Integral
Matrices
Complex Numbers
Differential Calculus