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斐波那契螺旋弧线（表格法-可动态调节）
Author:
孟宝兴
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（一）
異分母分數減法
四邊形的特性
画直线等分三角形的面积
Discover Resources
tan(α) tan(β) = ?
Homework2
時鐘問題
吃點點
Dodecahedron
Discover Topics
Polygons
Special Points
Cube
Sphere
Addition