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Triangle_3_Q
Author:
ralphchen
GeoGebra
New Resources
异形操场
斐波那契螺旋弧线（表格法-可动态调节）
科氏力 (Coriolis Force)
第八周作业2
正方形雪花图案
Discover Resources
以剪貼比較圖形大小 題1
加法
橢圓拋物面1
circle
大小相同串珠
Discover Topics
Congruence
Equations
Plane Figures or Shapes
Surface
LCM and GCD