Maths. Difficult tasks of the exam. Tasks with economic content. Profile level

The textbook is intended to prepare for a single state exam in mathematics of a specialized level. The publication includes the analysis of tasks No. 17 of the exam (tasks with economic content), solution samples and set for independent solution. The manual begins with the analysis of simple tasks covering different ideas of solutions, then more complex tasks are considered. The book will help students prepare for solving one of the most difficult tasks of the exam and work out the skill of solving such problems.
The manual can be used by teachers to prepare students for an exam in mathematics in the form of the exam, as well as high school students for self -training and self -control.
2nd edition, stereotypical