This textbook is prepared in accordance with the State Educational Standard, its federal component in the discipline "Mathematics" in the section "Mathematical Methods and Models in Economics" The textbook discusses the theoretical foundations of the study of economic operations from the point of view of the methodology of system analysis. Methods of solving problems of linear, nonlinear, and integer programming. are presented. The problems of using well-known methods and models of game theory in the development of rational management solutions in deterministic and uncertain conditions are considered. Tasks are presented for independent solution. For students of universities studying in the areas of bachelor's degree "Economics", "Management" . ;Griff:Recommended by the Editorial and Publishing Council of the Russian Academy of Education for execution as a teaching aid