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选修一P115-8求距离比为定值的动点轨迹(第二定义)
Author:
jjx01
Topic:
Conic Sections
,
Ellipse
GeoGebra
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【案例】2013年安徽高考15题
三位數除以一位數（二）
兩組對邊相等的四邊形
錐體建築師
算柱 (兩位數)
Discover Resources
Orthocentre
相似形應用_進階_Collection
追击问题
題四
麻之葉
Discover Topics
Parametric Curves
Interest Calculation
Tangent Line or Tangent
Dilation
Sequences and Series