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周長最小值
Author:
官長壽(longlife)
GeoGebra
New Resources
四邊形的特性
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
Discover Resources
parallelogram
Angle at Centre Twice Angle at Circumference
平行線的斜率_hui sir
slide base
相似三角形的一种动态构造.许兴华数学
Discover Topics
Linear Regression
Centroid or Barycenter
Differential Calculus
Polynomial Functions
Circle