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毕氏螺线
Author:
林峰
GeoGebra
New Resources
球體建築師
四邉形 (四年級) 教師版
柱體建築師
判斷球體
錐體建築師
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平行四邊形的面積教材一
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
正四角錐
正方形推垛
微積分基本定理的副本
Discover Topics
Incircle or Inscribed Circle
Definite Integral
Parallelogram
Conic Sections
Symmetry