On this portal, tasks from all the tests of the ZNO for the past few years are collected. You can also take the NMT for 2022, 2023 here to familiarize yourself with the tasks and assess your strengths.
This is a good way to prepare yourself mentally, find out how long it takes to solve all the problems, and choose the right strategy for the test.
After solving the test, you will find out which tasks were performed incorrectly. This will allow you to determine the topics that need to be prepared better.