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中考 2019 北京-24:轨迹题
Author:
acchu
GeoGebra
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异形操场
常见四边形是否是双心四边形
平行線的判定
双心四边形
撒针估算面积实验
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Temp
相似形_Collection
雙心運動
學習活動二之二參數與圖形結構的關係
S2 Chapter11.2 選擇適當的三角比
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Constructions
Dilation
Centroid or Barycenter
Definite Integral
Perimeter