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y=sinx+1,y=2sinx,y=sin2x的圖形
Author:
謝立人
GeoGebra
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近似值：有效數字
兩位數加法
柱體建築師
兩組對邊相等的四邊形
異分母分數減法
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橢圓軌跡
(008)80201辛宇婕
分數化百分數(以方程計算，增潤項目)
初中数学教学素材
Copy of 劉徽的「割圓術」
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Centroid or Barycenter
Complex Numbers
Planes
Symmetry
Translation