The image also shows the number "56" followed by "го". This could be part of a question number, a page number, or a reference to a year or term. Without further context, its exact meaning is unclear, but it likely relates to the numbering or identification of the educational material.

Unclear Reference:

• The text "56 го" appears in the upper right corner.
• The meaning of "го" is ambiguous in this context without more information. It could potentially stand for "года" (year), "группа" (group), or be part of a larger identifier.
• The number 56 might be a page number, question number, or reference point within the document.

Insight: This is a reference that requires more context from the original document to decipher its exact meaning.