1.Nayo competition mathematics is difficult to learn. There are many really good teachers in all branches of the country, who can refund their fees at any time and provide good service. Teachers and class teachers are very responsible and responsible for the teaching results.
There are many talented teachers, but they are all concentrated in high-end classes. Teachers in ordinary classes have ups and downs, and most of the famous teachers are concentrated in Beijing, which leads to poor teachers in ordinary classes.