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3d正十二面體
Author:
莊宗達
GeoGebra
New Resources
畫出對稱圖形
找出對稱軸
算柱 (兩位數)
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
一元二次不等式(圖解法)
六年級_截面_錐體_多邊形
固定三角形的條件−題1的副本
除法Q6
基础知识
Discover Topics
Normal Distribution
Root
Triangles
Poisson Distribution
Quadratic Equations