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《2019 东城一模-25》
Author:
acchu
GeoGebra
New Resources
小学资源收集
龙形曲线-分形龙
异形操场
第八周的作业
科赫雪花
Discover Resources
三角形重心軌跡(動點在三圓上)
三角形面積
gmy106a11 轉移矩陣
Pascal's Theorem
瓜豆原理——动点跟随
Discover Topics
Ellipse
Arithmetic Operations
Conic Sections
Plane Figures or Shapes
Quadrilaterals