TY JOUR TI Basic methods for solving Olympiad problems in mathematics KW Olympiad KW problem KW characteristics KW solution methods KW mathematics JO Journal of Natural Sciences Research AU Sopuev, U.A. AU Keldibekov, E.N. AU Uson kyzy, M.. AU Vakhabova, Z.F. AU Abdrakhmanova, A.A. AU Tashpolotova, E.B. PY 2024 IS 9 PB INFRA-M Academic Publishing LLC.