We have systematically organized the key concepts by unit to help you understand even the most in-depth content.
We have analyzed and organized by type the important, frequently mistaken, and tricky questions from past or expected school exam questions.
We have presented a variety of problems that top students who aim for perfect grades find difficult, so that they can develop their application skills.
It contains top-level problems that require mathematical thinking and problem-solving skills, allowing you to improve your adaptability to the most difficult types and achieve the highest level of skill.
We have designed a new type of problem centered on creativity in the textbook to help students develop creative mathematical thinking skills.