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兩圓內外公切線

Author:梅

New Resources

  • 兩組對邊相等的四邊形
  • 兩位數加法
  • 兩組對邊相等和有直角的四邊形
  • 找出對稱軸
  • 判斷球體

Discover Resources

  • 大邊對大角
  • Hypocycloid Wheel
  • Ex.3
  • 立體三角測量(例五)
  • 两角差的正切公式的证明

Discover Topics

  • Arithmetic Mean
  • Subtraction
  • Trapezoid
  • Step Functions
  • Secant Line or Secant
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