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畢氏定理
Author:
趙國亨
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
柱體建築師
拼砌四邊形
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
證平行四邊形 (對角線互相平分) (對邊 // 且相等)
分數小數
立體
随机模拟实验（撒豆子估算π）的副本
圆锥圆柱圆台的侧面展开图(及侧面上两点的最近曲线)
Discover Topics
Right Triangles
Optimization Problems
Rational Numbers
Tangent Line or Tangent
Algebra