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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
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
拼砌四邊形
兩位數加法
畫出對稱圖形
Discover Resources
來畫雙曲線
內心與角平分線觀察
小四平面圖形學習單
內公切線長
曲線所圍區域的面積 (The Area between Curves)
Discover Topics
Similar Triangles
Derivative
Straight Lines
Centroid or Barycenter
Square