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平行四邊形
Author:
李春培
Topic:
Parallelogram
GeoGebra
New Resources
判斷球體
算柱 (兩位數)
柱體建築師
畫出對稱圖形
四邊形的特性
Discover Resources
把三角形分類
判斷線型函數y=f(x)=ax+b的b值
簡易統計
畢氏定理-面積切割法
基础知识
小正多边形在大正多边形内的滚动（边长相等）
Discover Topics
Geometry
Pythagoras or Pythagorean Theorem
Set Theory
Hypothesis Testing
Equations