The known starting year is 2020.
Known end year: 202 1.
According to the fact that there are 52 periods of study in young universities every year, we can calculate the number of periods of study in young universities in these two years:
52 USD \ times 2 = 104 USD.
March 2022 is called March 2022.
According to the fact that there are four periods of study in youth universities every month, we can calculate the number of periods of study in youth universities this month:
four
Therefore, the Youth University was held on March 1 day 108, 2020 -2022.