The subject wants to ask "which bookstore in Datong Pingcheng District sells math class exercises"? Xinhua Bookstore. Datong Xinhua Bookstore is located in Xinjian North, Pingcheng District, Datong City, Shanxi Province. Sell all kinds of famous books, study materials (including math exercises) and comic books. Xinhua Bookstore is a state-owned book publishing enterprise in People's Republic of China (PRC). In the physical store of Xinhua Bookstore, you can sell some famous books, some study materials, some books that you can learn to cook, and comic books that children like, which can attract many customers to buy books here.