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切3塊拼成正方形
Author:
李春培
切3塊拼成正方形
GeoGebra
New Resources
sanjiaohanshu
長方體平面投影 (Codex版)
直角坐標平面上的旋轉變換
Earth with coastline
小数 的副本
Discover Resources
函數
regular tetrahedron (CH4)
二面角的副本
平移中心
探究平行四邊形面積
Discover Topics
Area
Root
Multiplication
Curve Sketching
Statistical Characteristics