The result of $2 + 2 - 1$ is:

$2 + 2 - 1 = 3$

Would you like a breakdown or have any questions?

Here are five related questions for further exploration:

1. What is the result of $5 + 3 - 2$?
2. How does order of operations affect more complex expressions?
3. What is the result of $10 - 2 + 4$?
4. Can you solve $7 - 3 + 1$?
5. How would you write this in terms of variables (e.g., $a + b - c$)?

Tip: In arithmetic, handling addition and subtraction together is straightforward since the operations have the same precedence; simply proceed from left to right.