Watch video ОГЭ по математике 2019. Задание 1. Числа и вычисления. Теория+задачи (часть 1) online without registration, duration 16 minute 18 second in high hd quality. This video was added by user ЕГЭ и ОГЭ на 80-ballov. Годограф 12 January 2019, don't forget to share it with your friends and acquaintances, it has been viewed on our site 207 thousand once and liked it 2 thousand people.