1, one plus one: there are many knowledge points, many topics, and the content is comprehensive and detailed, which is suitable for students who need comprehensive review.
2. Pre-university course: explain the basic knowledge of mathematics and physics in a more accessible way, suitable for beginners.
3. Learn physics happily: focus on experimental demonstration and fun, suitable for students who are interested in physics but don't like boring.
4. Rational education: the content is comprehensive and practical, suitable for students who need to apply what they have learned.
The backbone of the teaching circle has high gold content, and the backbone of the teaching circle refers to the collective or individual who has the