ISBN-13: 9780367564872 / Angielski / Miękka / 2020 / 326 str.
ISBN-13: 9780367564872 / Angielski / Miękka / 2020 / 326 str.
The book contains selected problems aimed for high school students that are interested in competing in math competitions or simply for people of all ages and backgrounds who want to expand their knowledge and to challenge themselves with interesting questions.