https://moodle.enu.kz/pluginfile.php/251963/mod_lesson/intro/5.pdf
презентация:
https://moodle.enu.kz/pluginfile.php/251963/mod_lesson/intro/5-%D0%9F%D0%B0%D1%80%D0%B0%D0%BB%D0%BB%D0%B5%D0%BB%D1%8C%20%D0%B5%D1%81%D0%B5%D0%BF%D1%82%D0%B5%D1%83%D0%BB%D0%B5%D1%80%20%D0%BA%D0%BB%D0%B0%D1%81%D1%82%D0%B5%D1%80%D1%96.pptx
