They are using legacy practice problems that remain relevant for general mathematical understanding. Important Note
Yu. N. Makarychev’s algebra textbooks are a standard for Russian middle schools. The 9th-grade curriculum typically covers quadratic functions, equations and systems of equations, power functions, and elements of combinatorics and probability.
Educational standards in Russia (GEF/FGOS) have updated several times since 2010. While the fundamental math hasn't changed, the problem numbering and specific exercises in modern textbooks (2019–2024 editions) likely differ from the 2010 version. Why People Look for Older Editions Users often search for the 2010 edition specifically if:
They are looking for a that was explained more clearly in older pedagogical manuals.
This was one of the "pioneer" websites for student solutions. While many students used it to quickly copy answers, many others used it as a self-check tool to understand complex problem-solving steps.
If you are currently a student, it is worth noting that modern versions of this textbook now include more preparation for the (State Compulsory Exam). Using a 2010 solution key for a 2023 textbook might lead to a "mismatch" in problem numbers.
This query refers to a (Gotovye Domashnie Zadaniya / "Ready-made Homework"), which are popular study aids in Russia and CIS countries. Specifically, it targets the 9th-grade algebra textbook authored by Makarychev and others, hosted on the well-known portal Spishu.ru , with a focus on the 2010 edition . Context of the Query
They are using a of the book provided by a school library.