The image shows a question from a Vietnamese exam, specifically Question 2 from the 1980s. The question is about the date of the first day of the month 29 in 2021. 

The question asks:
"Which day is the first day of the month 29 in 2021?"

The answer to this question is:
"Các ngày đầu tiên của tháng 29 trong năm 2021 là ngày 29."

This means "The first day of the month 29 in 2021 is the 29th."