1.
Division of fractions
2.
Division of decimals
3.
Space and volume
4.
Proportional formula and proportional distribution
5.
Area of ​​a circle
6.
cylinder, cone, sphere

'Choi Top-Wi-Sen' achieves the highest level through intensive study of difficult problems.

Features of this book

1.
A comprehensive collection of high-difficulty questions, from advanced to light.
2.
Upgrade your problem-solving skills with our intensive learning system.
3.
Difficulty level 3 structure
4.
Free provision of γ-stage problem-solving video service

[text]

1.
Concept Learning: The curriculum is organized by unit and useful concepts and methods for solving difficult problems are summarized.
You can also preview the upper-level linkage concepts.
2.
Step α: We categorized high-difficulty questions that frequently appear on exams into types and provided them in stages, allowing students to refine their understanding of the types through practice exercises.
3.
Stage β: This is the stage where you can comprehensively learn advanced concepts and types.
New types of integrated problems are provided.
4.
Stage γ: This is the stage where you can develop comprehensive thinking skills and application skills through the most difficult problems.
Top-level problems that challenge the top 1% are provided.

[Appendix]

We have organized high-level problems from on- and off-campus competitions into units to help you become more prepared for real-world situations.

[Answer and Solution]

We provide detailed solutions, alternative solutions, references, and cautions for every problem, so you can study on your own.