It looks like there's a bit of confusion in your question regarding the mathematical expressions. Let's clarify each part step-by-step:
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Simplifying \( 25 \frac{1}{2} \): This expresses a mixed number, which is equal to \( 25 + \frac{1}{2} = 25.5 \) or \( \frac{51}{2} \) in improper fraction form.
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The square root of 25: \(\sqrt{25} = 5\).
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12.5: This is simply a decimal representation of \(\frac{25}{2}\) or \(25 \frac{1}{2}\).
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The expression \( \sqrt[12]{25} \): This represents the 12th root of 25, which cannot be simplified further without a calculator, but it can be expressed as \( 25^{1/12} \).
Conclusion:
If you would like me to rewrite or simplify something specific, please clarify the request. For instance:
- Are you looking to simplify an expression further?
- Do you need help with a particular mathematical operation?
Please provide additional context or clarify your question!