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轨迹19
Author:
万超杰
GeoGebra
New Resources
球體建築師
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
拼砌四邊形
錐體建築師
Discover Resources
賺賠：例1
Newton's method
Properties of parallelogram(平行四邊形的性質)
橢圓3-平行四邊形法
以多維度解釋標準差
Discover Topics
Numbers
Line Segment
Parametric Curves
Arithmetic
Similarity Transformation or Similarity