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椭圆的两条垂直切线的交点轨迹 蒙日圆
Author:
冯伟冀
,
istone
Topic:
Ellipse
,
Geometric Transformations
GeoGebra
New Resources
球體建築師
第八周作业
兩位數加法
画直线等分三角形的面积
四邊形的特性
Discover Resources
proof30黃煒皓
Angle Sum of Triangle
與三半圓相切的圓
假分數化帶分數
圆的面积展开的副本
Discover Topics
Conditional Probability
Tangent Line or Tangent
Planes
Variance
Geometry