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对棱相等的四面体
Author:
向天笑
Topic:
Pyramid
GeoGebra
New Resources
第八周作业1
折扣
比較五件物件的重量
第三周作业效果演示
撒针估算面积实验
Discover Resources
MathMedia150206
Tetrahedron 四面體
GGB4
分數小數
Copy of 三角形的面積
Discover Topics
Equilateral Triangles
Sine
Mathematics
Right Triangles
Isosceles Triangles