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同心圓

Author:柳淳珈

New Resources

  • 直角坐標平面上的旋轉變換
  • 近似值:有效數字
  • 找出對稱軸
  • 畫出對稱圖形
  • 算柱 (兩位數)

Discover Resources

  • 外角和
  • 七巧板
  • 正方形所夾三角形面積相等
  • สำเนาของ 河內塔 (Tower of Hanoi)
  • 圆的面积原理

Discover Topics

  • Root
  • Logarithm
  • Quadratic Equations
  • Vectors
  • Quadratic Functions
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