A new, top-tier strategy guide that reflects the latest trends!
The Olympus High Difficulty series, a must-have customized textbook for top math students.

To help you master the core competencies of the 2022 revised curriculum, we've designed it so you can gradually upgrade your skills by including essential questions for each unit that are likely to appear on school exams, as well as extremely difficult questions.

1.
1st grade note for a flawless concept
2.
Essential questions frequently appearing in internal exams found in past exam papers
3.
High-scoring challenge questions by concept type
4.
1st class powder that creates discrimination
Let's develop our math skills to reach the top level with "Olympus Difficulty."

The Olympus series offers 100% free lectures through the internet site and the smartphone app 'EBSi High School Lectures'.