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矩阵乘向量
Author:
郭存柱
GeoGebra
New Resources
異分母分數減法
錐體建築師
三位數除以一位數（一）
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
指數函數的平移 (3)
多重刻度磅
test geoebra1
七巧板綜合的副本
展開圓面積 (講義版)的副本
Discover Topics
Cuboid
Triangles
Root
Fractal Geometry
Correlation