1, the teacher is in charge. Xi 'an's parallel teacher is responsible. They have unique ideas and clear logic when explaining the Olympic Mathematics. The PPt they make can also attract children and make beginners interested in learning and participating. However, the level of teachers is average, which is not attractive to students.

2. Teaching methods. Xi 'an's parallel teaching method is good, based on Olympiad Education, which helps children to develop good study habits, improve their ability and shape their fine character, while the independent teaching method generally requires students to learn the knowledge of the Olympic Mathematics Competition.