A free program for Android, by Azatt.
ГДЗ РЕД - Решебники is a learning system that allows students to get to know all the standards of the Russian school system. Students can use the site to solve their mathematical, logical, and other logical problems. All the solutions are divided into four categories - easy, medium, hard, and very hard. The students can also rate the difficulty of the problem and get help from the site's support team.
Why our site will be useful to you?
First of all, our site allows you to get to know all the standards of the Russian school system. You can also use our site to solve your mathematical, logical, and other logical problems.
Secondly, the site is useful to you because it allows you to learn how to solve complex problems in a simple way.
