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Textbook features:

- texts and tasks for motivating learning activities;
- tasks of practical content with step-by-step solutions;
- multi-level questions and tasks, training and practical exercises;
- logical tasks, creative and research tasks;
- generalisation and systematisation of the material in each paragraph;
- interesting facts, useful tips, historical references.

Internet support will allow you to:

- repeat the educational material of grades 2-4;
- view multimedia presentations;
- take online tests on each topic;
- get acquainted with additional materials to the textbook.