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F2_Ch11.1_三角學(對鄰斜)
Author:
timothyngyf
GeoGebra
New Resources
畫出對稱圖形
異分母分數減法
画直线等分三角形的面积
GeoGebra笔记功能体验课件
三位數除以一位數（二）
Discover Resources
Slope of a St. Line (formula)
[問題] G1, G2, G3 為△ACG, △ABG, △BCG 的重心
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
Tangent properties
正方体展开图的副本
Discover Topics
Kite
Trigonometric Functions
Translation
Cosine
Histogram