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Problem of the Month – December 2019

 

Correct Solutions by,

  • Toshihiro Shimizu, Kawasaki, Japan
  • Emirhan Yağcıoğlu, Matematik ve Fen Bilimleri Anadolu Lisesi,  Ankara
  • Vedat Deveci, İstanbul
  • Muti Kara, Ankara Atatürk Anadolu Lisesi
  • Gizem Tabak, University of İllinois at Urbana-Campaign’d, USA
  • Hasan Zübeyr Demir, Özel Ankara Çağlayan Fen Lisesi
  • Kee-Wai Lau, Hong Kong, China
  • Barış Koyuncu, Özel Enka Lisesi, İstinye, İstanbul
  • Ramil Jabiyev, Bilkent University
  • Mountassir  Farid, Awalee Consulting    Paris, France
  • Henrik Aberg, Gothenburg,  Sweden
  • Zarmehr Zarifi, Bilkent University