The given problem is "Addition 4. [tex]$11 k^+1 \%^$[/tex]". This notation is unconventional and does not adhere to standard mathematical symbols or operations. As such, without a clear problem statement or additional context, it is challenging to extract any meaningful numerical values or perform a valid addition operation.
Therefore, based on the provided information, a specific numerical answer cannot be determined from this notation.
Result: None
