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三角函數sine跟cosine
Author:
JUNWAYLIANG
GeoGebra
New Resources
錐體建築師
拼砌四邊形
判斷球體
找出對稱軸
三位數除以一位數（二）
Discover Resources
來畫雙曲線
題一
GeoGebra Book
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基础知识
Discover Topics
Multiplication
Trapezium
Solids or 3D Shapes
Geometric Distribution
General Quadrilateral