For example, middle school mathematics is divided into 7 directions, 22 chapters and 550 knowledge points. According to the teacher's answer record, the system judges what kind of topic the teacher is good at.
Teacher Ba Jun of Extended Informatics answered the example of the charging team.
Xuebajun has 55 million users who use photos to answer questions, with more than 3.5 million daily users and more than180,000 monthly users, and receives more than170,000 questions every day. Of the 55 million users, more than100000 become paying users for online answering questions, paying 4-5 million yuan per month. Xuebajun has more than 280 full-time employees and a part-time team 1000.
In the formal staff of more than 280 people, technicians account for nearly 170, accounting for about 60%. Xuebajun requires engineers to understand the subject, otherwise it is meaningless to fight outside the door; Teachers can't continue to do teaching and scientific research according to the logic of compiling books, and need to understand the logic of computers.
"Technology can improve efficiency. Zhang is a typical technical control. In Xuebajun, there is a clear difference between development and research and development. Development is to earn cash, but research and development does not directly bring benefits, but only improves teaching efficiency and learning efficiency.