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「相似三角形」任务1的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务1
GeoGebra
New Resources
畫出對稱圖形
美國國旗 (Codex 版)
小数 的副本
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
平移法（二）
餘弦公式_1
congruent (SSS)
Copy of 盒子的體積
새로운 양식
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Cone
Arithmetic
Orthocenter
Sphere
Intersection