МИХАИЛ САВВАТЕЕВ РАЗБИРАЕТ ДВЕ ЗАДАЧИ ИЗ ОТБОРОЧНОГО ТУРА ОЛИМПИАДЫ В ПИТЕРЕ! МИШЕНЬКА ПРОШЁЛ НА НЕЁ

The first problem is about "irregular" subsets of natural numbers, in which no more than two elements are taken from each arithmetic progression. The second is about divisibility of polynomials, and it has to be solved by solving complex numbers! BROTHERS AND SISTERS!! I ask anyone who can, 🎯 Support the popularization of mathematics: https://savvateev.xyz/donate.html Thank you to everyone who is already supporting!!! (And to those who will come support now :-)))) WE'RE WAITING FOR YOU! Innopolis University — https://apply.innopolis.university MIPT Faculty of Applied Mathematics and Mathematics — https://mipt.ru/education/schools/fpmi ASU — https://digitaltech.adygnet.ru/#about Resources about school education: The "Native School" project: rodnayashkola.rf Telegram channel about education issues: https://t.me/alexei_savvateev For school rescue volunteers: [email protected] Website: https://rodnayashkola.rf/, tag: #rodnayashkola More resources, just mine: 100 Math Lessons: https://childrenscience.ru/courses/sav/ Personal website: https://savvateev.xyz/ Telegram channel (not for contact!): https://t.me/savvateev_xyz https://vk.com/alexei_savvateev   / aleksey_savvateev   https://savvateev.livejournal.com