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Sine Formula 正弦公式
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
直角坐標平面上的旋轉變換
兩位數加法
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
Discover Resources
glt-c05-03 正五角錐旋轉
The Beautiful Dance of the Earth and Venus
多物件逐一動畫
同心圓
方程001
Discover Topics
Geometric Mean
General Quadrilateral
Square
Trigonometric Functions
Differential Calculus