$1 + 1 = 2$

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Related Questions:

1. What is $2 + 2$?
2. How does addition work with larger numbers?
3. What is the result of $1 + 1 + 1$?
4. Can $1 + 1$ have a different meaning in binary?
5. What happens when you add negative numbers, e.g., $-1 + 1$?

Tip: Always double-check your calculations in multi-step problems to avoid errors.