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正十二面體內接正四面體或內接正六面體
Author:
侯杰材
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
Discover Resources
gjh-h01-01 畢氏數三角形
梯形
正方体展开图的副本
小六容量與體積_裝箱問題
Copy of 圓周 (圖形F)
Discover Topics
Cosine
Pythagoras or Pythagorean Theorem
Natural Numbers
Cuboid
Quadrilaterals