What grade is the boy's privacy in the PEP math book?
Third grade. On page 42 of the first volume of mathematics in the third grade of primary school published by People's Education Press, a little boy dressed in yellow did appear, which was suspected to highlight his nakedness privacy. "People's Education Edition Mathematics Textbook" set off a network craze, with seven consecutive hot searches. If it's just a matter of style, it's understandable. After all, everyone's aesthetic standards are different, but when netizens carefully read the textbooks, they found that the contents were surprising.