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長方形

Author:Yin Kelvin Wong

New Resources

  • 判斷球體
  • 画直线等分三角形的面积
  • 直角坐標平面上的旋轉變換
  • 【案例】圆柱体内放置一个大球六个小球
  • 拼砌四邊形

Discover Resources

  • 兩數相加
  • 第一冊
  • [問題] 點 (4,7) 到 3x+4y = 0 的距離為何?
  • 門格海綿
  • 勾股定理

Discover Topics

  • Isosceles Triangles
  • Arithmetic
  • Root
  • Geometry
  • Numbers
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