A basic textbook that makes math easier with detailed type classification and three-dimensional explanations.

1.
Key past exam questions from the latest 10-year high school 1st grade academic ability assessments in line with the new curriculum have been selected and included.
Additionally, it includes modified problems from previous exams that must be solved in Common Mathematics 1, allowing you to perfectly practice key types of previous exam questions.
2.
The core types of questions are arranged in conceptual order, and the concepts, formulas, and type approaches used in each type are presented, allowing for systematic study of each unit's content according to the flow of concepts and types.
3.
By presenting descriptive problems that may appear on school exams step by step, students can easily learn how to solve descriptive problems.

4.
You can complete in-depth learning with solution clues that analyze the problem from various angles, detailed solution steps, and abundant supplementary and editing commentary.
In particular, for difficult problems, you can study them in more detail and depth by classifying them into Level 1 and Level 2 killers.