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「相似三角形」任务2的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务2
GeoGebra
New Resources
判斷球體
錐體建築師
兩組對邊相等的四邊形
四邊形的特性
兩位數除以一位數（二）
Discover Resources
畢氏定理
平行線(方格版)
城市
circular motion
表内除法
Discover Topics
Continuity
Circle
Indefinite Integral
Real Numbers
Line Segment