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连续开方（制作：谢建华，修订：孟宝兴）
Author:
孟宝兴
GeoGebra
New Resources
美國國旗 (Claude 版)
球體建築師
Earth with coastline
四邊形的特性
四邉形 (四年級) 教師版
Discover Resources
earth
【練習】資料整理與統計圖表─直方圖
中心对称
GGB1
二次函数y=a(x-h)^2+k各参数性质
Discover Topics
Geometry
Ellipse
Logarithm
General Quadrilateral
Vectors 2D (Two-Dimensional)