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正四面體
Author:
侯杰材
正四面體
GeoGebra
New Resources
撒针估算面积实验
折扣
斐波那契螺旋弧线(表格法)
常见四边形是否是双心四边形
科赫雪花
Discover Resources
掷骰子
學習單:平行四邊形面積
Graph of Cosine Function 餘弦方程圖像
球體表面積
繪畫平行四邊形
Discover Topics
Symmetry
Reflection
Trapezoid
Coordinates
Addition