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luodeqin@keleshuxue.com
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【案例】2013年安徽高考15题
畫出對稱圖形
GeoGebra笔记功能体验课件
異分母分數減法
拼砌四邊形
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幾何圖形
p9pppppppppppppppp
過圓內c點的弦中點軌跡
複合圖形(八)
Quiz on Addition and Subtraction of Directed Numbers (2)
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Similarity Transformation or Similarity
Histogram
Pyramid
Logic
Linear Regression