EGE 2023 Mathematics. Basic level. 30 versions according to the new Demo Version

This manual is intended for preparation for the exam in the basic level mathematics. It contains 30 tests in accordance with the new Demo version of the USE 2023 and the solutions of tasks No. 19 and No. 21 of all tests with odd numbers, as well as solving each second problem from the task book.
All tests of this manual are in pairs are similar - test No. 2 is similar to test No. 1, test No. 4 is similar to test No. 3, etc.
Note that although in general this book is intended for students who have chosen the basic level of the exam, it will also be useful to students who have chosen a profile level. The solutions to most tasks No. 19, No. 21 of the tests of this book can be considered as a preparation for solving tasks No. 18 of the relevant exam