1, difficulty and positioning:

The difficulty is moderate, and the experimental class focuses on the consolidation and expansion of basic knowledge. It is rich in content and diverse in questions, both conventional and innovative. It is suitable for most students to test their academic performance and improve it appropriately on this basis. However, it is relatively difficult to learn hegemony, paying more attention to the in-depth excavation and expansion of knowledge points, and the topic design is more challenging and deep. Suitable for students who have mastered the basic knowledge and want to further improve their problem-solving ability and thinking level. The positioning of Xueba brand is more biased towards those students who have excellent academic performance and pursue higher academic challenges.

2. Content and characteristics: In addition to providing rich exercises and analysis, the experimental class also emphasizes classroom explanation and interaction, and exclusively displays the experimental results of curriculum reform for front-line teachers in developed provinces and cities. The reading function and gradient expansion of teaching materials improve the training level, and make students get good support in independent preview, classroom interaction and independent inquiry after class. Although Xueba also provides detailed answers and analysis, it focuses more on the training of difficult problems and the expansion of problem-solving thinking. For students who pursue academic Excellence and want to stand out in academic competitions or advanced exams, the brand Xueba may be more attractive.

3. Learning effect and goal: Students who use experimental classes to improve their grades can often consolidate their basic knowledge, gradually improve their problem-solving ability and lay a solid foundation for future study. Students who choose Xueba are more likely to exercise excellent problem-solving thinking and ability to deal with complex problems in the process of challenging difficult problems, thus achieving higher academic performance.