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Angle of elevation and Angle of depression(仰角和俯角)
Author:
chisunch1
GeoGebra
New Resources
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
三位數除以一位數（二）
画直线等分三角形的面积
Discover Resources
認識分數
分數除法5: x ÷ a/b (包含)
面、面相交
Subdivision
Question 1
Discover Topics
Constructions
Integral Calculus
Logic
Root
Cosine