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Author:
chen mingchuan
GeoGebra
New Resources
錐體建築師
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
四邊形的特性
Discover Resources
proof 64 潘研
test2fhms
Solar System
箏形
橢圓摺紙
Discover Topics
Similarity Transformation or Similarity
Parallelogram
Conic Sections
Incircle or Inscribed Circle
Scalene Triangles