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[洋葱] 构造直角三角形
Author:
洋葱教研
GeoGebra
New Resources
畫出對稱圖形
異分母分數減法
兩組對邊相等和有直角的四邊形
找出對稱軸
兩位數除以一位數（二）
Discover Resources
空間貝氏曲線
Copy of 圓周 (圖形A)
∠APB ≥ 30°
Compare areas by cutting shapes Q2
ptcc trigo level 2
Discover Topics
Piecewise Functions
Mathematics
Similar Triangles
Incircle or Inscribed Circle
Natural Numbers
