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正方形中的45度摺紙
Author:
鍾元杰
Topic:
Geometry
GeoGebra
New Resources
球体的体积推导（优化版）
球体的体积推导
兩組對邊相等的四邊形
錐體建築師
GeoGebra笔记功能体验课件
Discover Resources
公切線的條數
直角三角形內切圓半徑
Prism and Cylinder 3
CLOCK
开关灯游戏 5×3
Discover Topics
Rotation
Trapezoid
Quadrilaterals
Similarity Transformation or Similarity
Straight Lines