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数学之美-多边形对角线
Author:
张景睿
GeoGebra
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双心四边形
折扣
斐波那契螺旋弧线(表格法)
GeoGebra数学资源(4-8年级)
平行線的判定
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賺賠:例1
曲線
中位线的副本
shuangquxian
任意四边形各边中点的连线必构成平行四边形.许兴华数学
Discover Topics
Scalene Triangles
Statistical Characteristics
Quadratic Equations
Unit Circle
Circumcircle or Circumscribed Circle