Secondly, the textbooks for primary school students have changed from 32 to A4, some of which are consistent with magazines, and the weight has doubled, with each volume reaching 0.3-0.5kg.

Chinese, mathematics, English, morality and legal system, art and music add up to about 3kg, and the rest comes from various homework or other things.

Parents, do you know? In primary school students' schoolbags, it is sometimes more magical than Aladdin's magic lamp, and I don't know what strange things will be pulled out.

The weight of books, exercise books, exercise books and other things far exceeds the weight of students 1/3. How are these children's spines? ?

Some people will ask, "can't we put the textbooks in the classroom at school?" Do you have to recite it back and forth? "

The person who asked this question is too young! Because primary school students all know: "No, you need to use it when you go home to do your homework, and you have to sign it by your parents!" " "