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星八面體
Author:
pingfeng.wu
GeoGebra
New Resources
算柱 (兩位數)
球體建築師
三位數除以一位數（二）
拼砌四邊形
找出對稱軸
Discover Resources
Ambiguous Cylinder Illusion
p10-4
對數的平移效果
Inclination and Gradient(傾角和斜率)
探究平行四邊形面積
Discover Topics
Rhombus
Trapezoid
Differential Equation
Integers
Percentages