To solve this:

\[
1045 + (834 - 612)
\]

1. First, evaluate the expression inside the parentheses:
   \[
   834 - 612 = 222
   \]

2. Then add this result to 1045:
   \[
   1045 + 222 = 1267
   \]

So, the final answer is:

\[
\boxed{1267}
\]

Would you like further explanation on this calculation?

---

1. What is the order of operations, and why is it important in solving math expressions?
2. How can parentheses affect the outcome of mathematical expressions?
3. Can you demonstrate how subtraction and addition work with larger numbers?
4. How would the answer change if there was a multiplication or division operation?
5. What techniques can simplify calculations with large numbers?

**Tip:** Always solve the innermost parentheses or brackets first to maintain the correct order of operations (PEMDAS).

Discover how to solve the arithmetic expression 1045 + (834 - 612) by applying the order of operations. This solution demonstrates the importance of parentheses and following PEMDAS to reach the correct answer, making it ideal for students in Grades 4-6.

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