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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
拼砌四邊形
畫出對稱圖形
兩位數除以一位數(二)
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waaachen
優良作品4(楚耘)
軌跡方程式-重心軌跡
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认识方程
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Confidence Interval
Rhombus
Plane Figures or Shapes
Square
Orthocenter