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相似三角形
Author:
李春培
Topic:
Similar Triangles
,
Triangles
GeoGebra
New Resources
球體建築師
判斷球體
画直线等分三角形的面积
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
refraction law
task 5
Making Graph paper
P4 四邊形
橢圓的副本
Discover Topics
Rational Numbers
Mode
Differential Equation
Linear Equations
Square