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圆锥曲线的第二定义
Author:
梁航宇
GeoGebra
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折扣
GeoGebra数学资源(4-8年级)
椭圆内切圆链
比較五件物件的重量
科赫雪花
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空間三坐標平面101.12.22
斜率
椭圆与圆的关系
題3
探讨二次多项式的参数和图型
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Similar Triangles
Multiplication
Solids or 3D Shapes
Median Line
Trigonometric Functions