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数学勾股定理
Author:
xuhao
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
四邉形 (四年級) 教師版
第八周作业
画直线等分三角形的面积
Discover Resources
方格紙上畫四邊形
GGB研習作品
Percentage Change(百分變化)
zuiduan
橢圓3-平行四邊形法
Discover Topics
Pythagoras or Pythagorean Theorem
Fractal Geometry
Sphere
General Quadrilateral
Rotation