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「相似三角形」任务4的副本
Author:
董柏林
,
gklwong
Topic:
Similar Triangles
任务4
GeoGebra
New Resources
兩位數加法
兩組對邊相等的四邊形
找出對稱軸
第八周作业
兩位數除以一位數（二）
Discover Resources
平移動畫(平移加滑桿)
圓周 (圖形I)
多邊形面積(分割法)
外心
橢圓2--四圓心近似法
Discover Topics
Pythagoras or Pythagorean Theorem
Percentages
Addition
General Quadrilateral
Rhombus