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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
算柱 (兩位數)
錐體建築師
拼砌四邊形
兩位數除以一位數（二）
直角坐標平面上的旋轉變換
Discover Resources
以剪貼比較圖形大小
賴尚欣_等差數列與級數_排數字
Geometry Exercises
Locus (Two points 1)
圆柱展开成平行四边形2
Discover Topics
Geometric Mean
Rhombus
Perimeter
Matrices
Means