Adjust the pre-printed tree structure on pages 14–15 or 16–17 of the project notebook. Action: You need to cross out pairs of "leaves" (bottom-level spots) on the last level.

You can view detailed project instructions in the Teacher's Guide by Rudchenko. Option 2: Matveeva (Workbook, Part 1)

To help you with page 32 of your 4th-grade informatics workbook, I have outlined solutions for the most common textbooks used in Russian schools. Since your request mentions "n," you are likely working on a logic or tournament tree problem.

Check if an object belongs to both sets (the intersection in the middle) or just one. How to find your exact answer: