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兩圓內外公切線

Author:梅

New Resources

  • 算柱 (兩位數)
  • 四邉形 (四年級) 教師版
  • 兩位數加法
  • 【案例】圆柱体内放置一个大球六个小球
  • 異分母分數減法

Discover Resources

  • Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
  • labyrinth
  • 正弦函数图象的形成
  • 序列嵌套
  • 線性規劃例10

Discover Topics

  • Angles
  • Median Line
  • Vectors 3D (Three-Dimensional)
  • LCM and GCD
  • Ratios
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