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正十二面體
Author:
侯杰材
正十二面體
GeoGebra
New Resources
四邉形 (四年級) 教師版
三位數除以一位數（二）
兩位數除以一位數（一）
找出對稱軸
錐體建築師
Discover Resources
Quiz on Equation of Straight Lines 直線的方程：測驗
優良作品4(薇如)
與兩圓相切之圓心雙曲線軌跡
拋物線4-平行四邊形法
Solve ax + b = cx + d
Discover Topics
Standard Deviation
Ellipse
Isosceles Triangles
Matrices
Interest Calculation