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正12面體內接正四面體
Author:
鍾元杰
正12面體內接正四面體
GeoGebra
正12面體內接正四面體
New Resources
兩位數除以一位數（二）
畫出對稱圖形
第八周作业
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
Discover Resources
圓周 (圖形B)
Angles formed by two straight lines and transversal
三角函数诱导公式的副本
三角形的外心
开关灯
Discover Topics
Similarity Transformation or Similarity
Logarithm
Frequency Distribution
Angles
Solids or 3D Shapes