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正十二面體展開圖
Author:
趙維雄
GeoGebra
New Resources
判斷球體
四邊形的特性
四邉形 (四年級) 教師版
兩位數除以一位數(二)
兩組對邊相等和有直角的四邊形
Discover Resources
Trajectory of system: y'=sin(y)-y/2
磁磚著色
二元一次方程式
gjc091b18 圓的割線
孔明棋
Discover Topics
Equilateral Triangles
Median Value
Area
Rhombus
Surface