ЗАДАЧИ ЗА ФОРМИРАНЕ НА ПОНЯТИЯ С ДИАГРАМИ НА ВЕН С ПЕТ МНОЖЕСТВА.

Here are presented 5-set Venn diagram tasks for concept formation. Rotational symmetry of a curve is used to visualize a 5-set Venn diagram. Emphasis is placed on the number of solutions and inverse problems. The role of computer models in their construction, solution and dissemination, including their use in museums, is discussed [ABSTRACT FROM AUTHOR]