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F2_Ch11.2_三角學(邊長與角的關係)
Author:
timothyngyf
GeoGebra
New Resources
拼砌四邊形
算柱 (兩位數)
三位數除以一位數（二）
近似值：有效數字
畫出對稱圖形
Discover Resources
雨刷中的數學
長方體
勝者即正義
星形工具(1060724)
地球各緯度的晝長夜長
Discover Topics
Cone
Indefinite Integral
Plane Figures or Shapes
Variance
Incircle or Inscribed Circle