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拼貼3
Author:
李伶芳
GeoGebra
New Resources
【案例】2013年安徽高考15题
【案例】圆柱体内放置一个大球六个小球
第八周作业
算柱 (兩位數)
画直线等分三角形的面积
Discover Resources
初中八年级奥数：面积与面积法
根號n的做圖法之二
Rotational and reflectional symmetry of a regular polygon
橢圓
我的第一个绘本
Discover Topics
Geometric Mean
Line Segment
Pythagoras or Pythagorean Theorem
Dilation
Standard Deviation