Solving Math 9 is an application that supports 9th grade students in preparing math exercises according to textbooks. The content is compiled coherently, closely following each lesson, helping to grasp the main ideas quickly and practice writing skills.

? The application includes:
- Instructions for doing exercises according to the lesson: specific questions and solutions.
- Illustrations to help better understand some specific exercises.
- Practice according to the textbook: practice, practice according to the lesson requirements to consolidate key knowledge.

‼️Note: The document is for reference and guidance on how to do exercises; encourage students to do exercises themselves and develop ideas according to their understanding.

? Who is it for?
- 9th grade students need to prepare lessons before class, consolidate knowledge and practice math exercises.

- Parents/teachers want a concise reference source that closely follows the lesson.

? Strengths
- Stick to the textbook: meets the requirements of each lesson, can be used immediately when preparing lessons.
- Clear - easy to look up: concise presentation, with illustrations for specific lessons.