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「相似三角形」任务1
Author:
gklwong
Topic:
Similar Triangles
任务1
GeoGebra
New Resources
四邉形 (四年級) 教師版
四邊形的特性
美國國旗 (Codex 版)
長方體平面投影 (Codex版)
Nested spiral octagon
Discover Resources
Ruler
四邊形內多個四邊型旋轉
perimeter
Copy of 圓周 (圖形A)
刘校安排（1）
Discover Topics
Sequences and Series
Derivative
Polynomial Functions
Rhombus
Orthocenter