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Angle of elevation and Angle of depression(仰角和俯角)
Author:
chisunch1
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（二）
異分母分數減法
判斷球體
兩組對邊相等和有直角的四邊形
Discover Resources
Quiz on Quadratic Formula 二次公式：測驗
三角函數圖解
UpdateConstruction
Strike and Dip 地層的走向與傾角的副本
旋转的台阶
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Variance
Exponent
Ratios
Statistical Characteristics
Similar Triangles