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黃金螺線62326 劉虹圻
Author:
呂麗珠
GeoGebra
New Resources
算柱 (兩位數)
找出對稱軸
判斷球體
四邉形 (四年級) 教師版
兩位數除以一位數（一）
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Helicoid
ABC 3
黃金三角形
正四面體變菱形12面體
劉徽的「割圓術」的副本
Discover Topics
Cube
Subtraction
Sine
Difference and Slope
Ellipse