1. **State the problem:** Calculate the sum of 10 and 57.
2. **Formula used:** Addition of two numbers is given by $a + b$.
3. **Apply the formula:** Here, $a = 10$ and $b = 57$.
4. **Calculate:**
$$10 + 57 = 67$$
5. **Conclusion:** The sum of 10 and 57 is 67.
Simple Addition 3A400D
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