The text in the image asks the user to sign their work by hand. It says: Before completing each task, sign the work by hand. In the upper part of the sheet, write your name, surname, class. If the work is not signed or signed with errors, it will not be accepted for review. There is also a button that says "Attach file" and information about the maximum number of files and their total size. Finally, there is a field for "Comments on the work". There is also a mathematical expression visible in the top left corner: $$\frac{6+11z-2z^3}{6z-z^2}$$

Instructions for completing the work:

Before starting any task, make sure to sign your work by hand. Write your name, surname, and class in the upper part of the sheet. If the work is not signed or contains errors in the signature, it will not be accepted for review.

You can attach files using the "Attach file" button. The maximum number of files allowed is 20, with a total size of up to 99MB. Supported file types include audio (MP3, M4A, WAV) and images (PNG, JPEG, WEBP).

There is a field for "Comments on the work" where you can leave any additional remarks.

The mathematical expression visible is: \(\frac{6+11z-2z^3}{6z-z^2}\)