How Busenka Did Something. Mathematical Tales

"How Busenka Did Something" — the third book in the series "Library of the magazine 'Kvantik'".
This book collects stories about the adventures of Busenka and her friends, published in the section "Mathematical Tales" of the magazine "Kvantik". The fairy tale plot intertwines with engaging mathematical questions and problems — from very simple to complex, "for growth".
For inquisitive schoolchildren of all ages, their parents, and teachers.