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證平行四邊形 (對邊相等)

Author:W.L. Wong, Albert

New Resources

  • 四邊形的特性
  • GeoGebra笔记功能体验课件
  • 【案例】圆柱体内放置一个大球六个小球
  • 兩組對邊相等和有直角的四邊形
  • 球體建築師

Discover Resources

  • (1+x/n)^n 逼近 exp(x)
  • Why same areas?
  • 六角形(草稿)
  • 三角形面積(由面積求高)
  • 勾股定理

Discover Topics

  • Trigonometric Functions
  • Ratios
  • Means
  • Tangent Line or Tangent
  • Continuity
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