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congruent (AAS) 3
Author:
Ricky Chan
GeoGebra
New Resources
GeoGebra数学资源(4-8年级)
比較五件物件的重量
平行線的判定
盈利與虧蝕
异形操场
Discover Resources
賺賠:例2
rectangular
畢氏定理的證明(三移動)
String Art
RECTANGLE
Discover Topics
Arithmetic Operations
Plane Figures or Shapes
Translation
Function Graph
Square