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侧面展开是长方形

Author:吕玉雷

New Resources

  • 圓周公式的應用
  • 圓的切線方程
  • 祖冲之的期望:内棋与外棋
  • 多邊形的面積
  • 双心四边形

Discover Resources

  • 呼拉圈
  • 过圆上一点作切线,三步
  • 鋪磁磚練習
  • 诱导公式三(x轴对称关系)
  • F4_Ch9.1 任意角的三角比

Discover Topics

  • Random Variables
  • Combinatorics
  • Geometric Mean
  • Congruence
  • Polynomial Functions
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