Mathematics. Smart collection of problems

This book is for you, high school students and teachers. She will help you prepare for the exam in mathematics.
It contains more than 400 copyright problems with detailed solutions and answers. Among them there are funny tasks. There are cunning, with unexpected solutions, when the answer is not the way it might seem at first glance. And most importantly - there is an explanation on examples of all topics of the exam in mathematics. Including new ones that will appear on the exam this year.
In order to solve the problems of the exam, you need to know the theory perfectly. But what if you forgot something? QR codes on the pages of the book will help you. Crossing them, you can repeat the theorems and formulas, learn more about the methods of solving problems and watch the training video.
If you are a teacher or tutor, you will find here a selection of tasks for control and trial exam, with solutions and answers. The tasks are compiled in such a way as to work out the most complex topics of the exam in mathematics and warn about common mistakes on the exam.
The author of most of the tasks of the collection is Anna Malkova. Lecturer of mathematics with experience for more than 25 years, preparing high school students for the exam since its appearance. Anna Malkova maintains an online preparation course and a channel on YouTube, writes out video courses, writes books in mathematics - in general, helps high school students to pass the exam for 90+ points