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斐波那契螺旋弧线（表格法）
Author:
孟宝兴
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
算柱 (兩位數)
拼砌四邊形
柱體建築師
Discover Resources
正弦定理
earth
閱讀鐘面
伍四红 圆与正方形 面积同周长比较
螺旋线
Discover Topics
Histogram
Translation
Trigonometry
Random Experiments
Interest Calculation