Subjects arithmetic

Simple Addition D42032

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Question: User: what is $1$ plus $2$
1. **State the problem:** We need to find the sum of $1$ and $2$. 2. **Formula used:** Addition of two numbers is given by $$a + b$$ where $a$ and $b$ are numbers. 3. **Apply the formula:** Here, $a = 1$ and $b = 2$, so $$1 + 2$$. 4. **Calculate the sum:** $$1 + 2 = 3$$. 5. **Final answer:** The sum of $1$ and $2$ is $3$.