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相似三角形
Author:
gklwong
Topic:
Similar Triangles
相似三角形
GeoGebra
New Resources
三位數除以一位數（一）
【案例】2013年安徽高考15题
拼砌四邊形
兩位數除以一位數（二）
球體建築師
Discover Resources
三角形的三中線交於一點(重心)
四下_面積（一）(學生版)
Area between two curves
三角函數由來= =
橢圓軌跡 (4)的副本
Discover Topics
Similarity Transformation or Similarity
Integers
Incircle or Inscribed Circle
Histogram
Circumcircle or Circumscribed Circle