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「相似三角形」任务3的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务3
GeoGebra
New Resources
畫出對稱圖形
錐體建築師
第八周作业
兩位數加法
兩位數除以一位數（二）
Discover Resources
Angle at Centre
內心
ie 9
疊代三角形
【随机出题】数立方体个数
Discover Topics
Stochastic Process or Random Process
Histogram
Rectangle
Integers
Circle