Hellow guys, Welcome to my website, and you are watching Самая простая нерешённая задача — гипотеза Коллатца [Veritasium]. and this vIdeo is uploaded by Vert Dider at 2021-08-03T12:01:16-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.