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旋轉橢圓
Author:
賴詩唐
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
三位數除以一位數（二）
異分母分數減法
找出對稱軸
Discover Resources
奠基活動20141008
Doppler Effect and Shockwave
自學練習_兩位數除兩位數
频率与概率——投掷硬币的试验
百分數及其應用
Discover Topics
Similar Triangles
Pythagoras or Pythagorean Theorem
Terms
Stochastic Process or Random Process
Equilateral Triangles