Olympiad Problems from all over the World. 7th Grade Content - Dumitru M. Batinetu-Giurgiu, Marin Chirciu, Octavian Stroe, Daniel Sitaru

This book contains a variety of mathematical problems from various branches of mathematics, including algebra, number theory, combinatorics, and geometry, from various countries. It is an ideal text for those who are preparing for mathematics competitions at all levels. Therefore, I strongly suggest this book to mathematics educators and talented students.