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tan90

Author:tan90

New Resources

  • 四邊形的特性
  • 兩組對邊相等的四邊形
  • 異分母分數減法
  • 判斷球體
  • 四邉形 (四年級) 教師版

Discover Resources

  • ex 7
  • 時鐘與數學
  • 两平面夹角
  • 角谷猜想
  • 曲面指令练习(柱球转化)

Discover Topics

  • Arithmetic Operations
  • Cube
  • Inequalities
  • Algebra
  • Angles
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