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KochWithTool
Author:
Peng-Jen Lai 賴鵬仁
GeoGebra
New Resources
第八周作业
常见四边形是否是双心四边形
双心四边形
异形操场
第八周作业1
Discover Resources
優良作品4
猜猜平均數（限時版）
畢氏定理
HW1121505
y=Asin(wx+f)图像变换
Discover Topics
Geometric Transformations
Distributions
Cylinder
Centroid or Barycenter
Numbers