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中考2019北京—24
Author:
宋晓燕
GeoGebra
New Resources
比較五件物件的重量
椭圆内切圆链
第八周作业3
斐波那契螺旋弧线(表格法)
第八周作业1
Discover Resources
台灣加油台灣加油
Section Curves
试卷讲评
餘弦定理修正項及風車證明
橢圓軌跡 (4)的副本
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Function Graph
Linear Equations
Translation
Perimeter
Tangent Line or Tangent