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繪圖練習
Author:
luke huang
繪圖練習區
GeoGebra
New Resources
球体的体积推导
畫出對稱圖形
四邉形 (四年級) 教師版
三位數除以一位數（二）
異分母分數減法
Discover Resources
題 8
方輪與方路
Copy of 分數加法
勾股定理介绍及证明
翰林數學_2下_CH3-4_三角形的外角大於任一內對角
Discover Topics
Cylinder
Parametric Curves
Differential Equation
Reflection
Orthocenter