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轨迹19
Author:
万超杰
GeoGebra
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盈利與虧蝕
第八周作业1
科赫雪花
第八周作业2
第八周作业3
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偏導數
坐标变换
立體 - 方位角及仰角
平行線(方格版)
高考椭圆题的动态演示1.许兴华数学
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Straight Lines
Trapezoid
Power Functions
Equations
Plane Figures or Shapes