Akpaeva А. .; Lebedeva Л. .; Мynzhasarova М. ABOUT THE PROBLEM OF STUDYING DIFFICULT TOPICS IN THE COURSE OF MATHEMATICS 4 CLASSES OF UPDATED EDUCATION CONTENTS OF THE REPUBLIC OF KAZAKHSTAN. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences, Almaty, Kazakhstan, v. 69, n. 1, p. 18–24, 2021. DOI: 10.51889/2020-1.1728-7901.03. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/57. Acesso em: 10 apr. 2025.