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평행사변형이 되기 위한 조건(2)
Author:
서문정
,
Anthony OR 柯志明
https://www.geogebra.org/m/MTRtRPnG
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
球體建築師
算柱 (兩位數)
拼砌四邊形
Discover Resources
平行線截等比例
Clock
sinx & cscx
Linear Programming
图中的三角形面积何时最小？（许兴华数学）
Discover Topics
Orthocenter
Centroid or Barycenter
Similarity Transformation or Similarity
Interest Calculation
Geometric Transformations