If you tell me you're studying (e.g., linear algebra, basic equations, or software-based math), I can point you to the exact Vavilov PDF most relevant to your level. Nikolai Vavilov, mathematics and life - Springer Nature
High school students, university applicants, and teachers. Accessing the PDF vavilov algebra skachat pdf
Mathematica for Non-Mathematicians focuses on using software packages to solve complex equations. If you tell me you're studying (e
The book's summary and download links are often listed on Alleng.org . Other Notable Works by Vavilov or software-based math)
Задачи по математике. Алгебра (Mathematics Problems. Algebra).
Real numbers, algebraic expressions, equations, inequalities, combinatorics, and complex numbers.
Задачи по математике. Начала анализа (1990) serves as a companion guide for calculus.