Ералиев С, Бердіахмет И. METHODS FOR SOLVING PROBLEMS OF ELEMENTARY MATHEMATICS OF HIGHER DIFFICULTY SOLVING HIGH-COMPLEXITY PROBLEMS . Phys-Math [Internet]. 2020Dec.29 [cited 2024Nov.21];72(4):17-22. Available from: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/56