Alekseeva T. THE CONTENT CHARACTERISTIC OF THE DIDACTIC CONDITIONS FOR THE FORMATION OF COGNITIVE UNIVERSAL EDUCATIONAL ACTIVITIES FOR THE FORMULATION AND SOLUTION OF THE PROBLEM AND THE WAYS OF THEIR IMPLEMENTATION IN THE EDUCATIONAL ACTIVITY OF THE PRIMARY SCHOOL. SIE [Internet]. 2018 May 25 [cited 2024 May 5];2:17-29. Available from: https://journals.ru.lv/index.php/SIE/article/view/3105