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Sine Wave 3D
Author:
MathChou
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
畫出對稱圖形
三位數除以一位數（二）
算柱 (兩位數)
Discover Resources
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
Introduce tangent ratio
Pole & Polar
四邊形內多個四邊型旋轉
纏繞
Discover Topics
Linear Functions
Trapezoid
Parallelogram
Symmetry
Distributions