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相似三角形
Author:
李春培
Topic:
Similar Triangles
,
Triangles
GeoGebra
New Resources
球體建築師
柱體建築師
【案例】圆柱体内放置一个大球六个小球
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
Discover Resources
中點軌跡(動點在兩圓上)
繡曲線
moon1
圖解最簡根式
宇宙模型
Discover Topics
Natural Numbers
Pythagoras or Pythagorean Theorem
Rectangle
Upper and Lower Sum or Riemann Sum
Quadratic Equations