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ie 7
Author:
LAM YU SANG
GeoGebra
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【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
畫出對稱圖形
拼砌四邊形
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判別式
直線排列 3
圓上的角任務(一): 提示卡(二)
乘數表
橢圓旋轉
Discover Topics
Trapezoid
Similarity Transformation or Similarity
Secant Line or Secant
Rational Numbers
Parabola