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คิดเลขเร็ว

Author:Theerayut Chanthackad

New Resources

  • apec
  • 兩位數的位值
  • Billard V5.2 and V6
  • Select an object for a time to start a command. Light
  • 函數的單調性

Discover Resources

  • A geometric method to Generate Pythagorean triangles(Barning(1963),Hall(1970))
  • Triangle Inequality Exploration
  • Tschebyscheffgeradfuehrung
  • Concurrent Altitudes Proof
  • Slope Man

Discover Topics

  • Similarity Transformation or Similarity
  • Straight Lines
  • Centroid or Barycenter
  • Pie Chart or Circle Chart
  • Square
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