Nupula : [matemaatika ja füüsika ülesandeid : keskmisele koolieale]

Book contains interesting problems in mathematics and physics. According to the degree of difficulty, they are divided into three parts. At the end of each section, there are tips and answers to help you solve more difficult tasks.
«Nupula» is primarily intended for students of grades IV-VI, but also offers the joy of solving puzzles to parents.