20shoo educational group

‏• The most comprehensive course questions application

‏_ Lesson questions from 4th grade to 12th grade ღ

‏_ Test and explanatory questions chapter by chapter for all courses (completely free)

‏_ Fully descriptive answer sheet of all questions

‏_ Questions of the final exams of the first and second semesters with explanatory answer sheets

‏_Question and answer section (you can ask internal lesson questions of the application and your friends and teachers will answer you)

‏_ Quick support regarding purchases from the application

‏Website: www.20shoo.ir