1. The problem is to find the sum of 3 and 10.
2. The formula for addition is $a + b = c$, where $a$ and $b$ are the numbers to add, and $c$ is the result.
3. Substitute the values: $3 + 10 = 13$.
4. Therefore, the sum of 3 and 10 is 13.
Simple Addition 7D5720
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