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祖冲之的期望:内棋与外棋

Author:孟宝兴

New Resources

  • 拼砌四邊形
  • 【案例】圆柱体内放置一个大球六个小球
  • 三位數除以一位數(一)
  • 三位數除以一位數(二)
  • 判斷球體

Discover Resources

  • 四邊形內多個四邊型旋轉
  • y=sinx+1,y=2sinx,y=sin2x的圖形
  • 整數點
  • 圓與切線
  • 两个经典不等式

Discover Topics

  • Straight Lines
  • Arithmetic Operations
  • Statistical Characteristics
  • Unit Circle
  • Centroid or Barycenter
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