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認識GeoGebra--相似三角形
Author:
JUNWAYLIANG
Topic:
Similar Triangles
GeoGebra
New Resources
四邉形 (四年級) 教師版
異分母分數減法
拼砌四邊形
三位數除以一位數（一）
找出對稱軸
Discover Resources
百分數（小學）：折扣 / 賺賠
How to draw a triangle with ruler and compasses?
area 面積
畢氏定理(遮蔽法)
全等双子模型（等腰三角形）
Discover Topics
Circle
Line Segment
Random Experiments
Surface
Polynomial Functions