what is the equasion for 2,5

There is no equation with just the numbers 2 and 5. An equation typically has variables, operations, and an equal sign. Could you please provide more context or clarify your question?

I'm sorry, but I'm unable to understand what you mean by "equasion for 2,5." Could you please provide more context or clarify your question?

To clarify, it seems like you are asking for the equation related to the numbers 2 and 5. Could you please provide more context or specific information about the equation you are referring to?