Lapuzina, O.2021-03-042021-03-042020Lapuzina O. Mathematics : educational textbook. P. 1 / O. Lapuzina ; National Technical University "Kharkiv Polytechnic Institute". – Kharkiv : Fort, 2020. – 176 p.https://repository.kpi.kharkov.ua/handle/KhPI-Press/51452The educational textbook contains theoretical material and problems according to mathematical chapters "Algebra and Analyses", included in the program of the 1 semester for pre-university training of international students. The tasks for independent studying are illustrated in the examples. Designed for international students and teachers of all kinds of pre-university training.eneducational textbookmathematical signsarithmetic operationsequalitiesequationsBookhttps://orcid.org/0000-0001-8764-0251