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623方形地毯(新)
Author:
呂麗珠
GeoGebra
New Resources
三位數除以一位數（一）
GeoGebra笔记功能体验课件
画直线等分三角形的面积
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
滾出直線之3
題6
Testing
面積
other
Discover Topics
Polygons
Rhombus
Geometric Transformations
Pythagoras or Pythagorean Theorem
Right Triangles