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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
找出對稱軸
四邊形的特性
画直线等分三角形的面积
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
小四小數
new book
由線段與弧構成的封閉區域填色
五圓相切
拋物線6--包絡線法
Discover Topics
Continuity
Linear Equations
Real Numbers
Sphere
Fractions