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GeoGebra
拋物線
Author:
康靖坤
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sharon扭曲的正方形
序列的嵌套
中考 2018 浙江宁-26
中考2019北京—24
北京中考
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空間三坐標平面101.12.22
Helicoid
垂直2
說明用01
P.6 圓周4A
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Linear Regression
Quadratic Equations
Triangles
Similarity Transformation or Similarity
Root