Solving the exercises and step-by-step lessons of the 9th high school year 1401-1402 (this year)This program includes solving the exercises and step by step of the 9th lessons according to the changes of 1401-1402 (this year).Hamyarbook is a step-by-step guide for elementary school, first high school and second high school courses for you dear friends and students.This program has the following books:Step by step math 9th,Step by step Persian 9th,Step by step teaching of the 9th QuranStep by step gifts of the ninth sky,Step by step social studies ninth,Step by step writing the ninth,Step by step experimental science ninth***** The program has in-app payment.***** Dear friends, if you need guidance and advice, or if you have problems with Hamyar Book program, you can contact the support of the program so that we can help you.- The comment system is not the right place to express problems.- Telegram support ID: @webartsgroups- Contact number: 09364964826- Telegram and WhatsApp supportIn this version of the Hamyarbook program, we have included solutions to all exercises, activities, problems, self-tests, tests, think, text questions, the meaning of the lesson, and everything that must be answered in the 9th textbooks, so that you can No need to worry about answering any questions.This program from the Hamyarbook series of programs is dedicated only to the ninth year of high school. If you need other courses, you can view them from our programs page.Attributes :-According to the latest changes in the textbooks of 1401-1402 (this year)- The possibility of accessing the content of the academic year 1401-1400 (previous year)- The possibility of accessing the content of the academic year 1400-1999 (previous year)- The possibility of accessing the content of the academic year 98-99 (previous year)- Covering and answering all textbook exercises-Separation of each chapter and easy access to chapter exercises separately