45781-824+(458-323):34=

Let's solve the expression step by step:

Expression: \(45781 - 824 + (458 - 323) \div 34\)

1. Calculate inside the parentheses: \(458 - 323 = 135\)

2. Divide the result by 34: \(135 \div 34 ≈ 3.9705882353\)

3. Now perform the subtraction and addition: \(45781 - 824 = 44957\)

4. Add the division result: \(44957 + 3.9705882353 ≈ 44960.9705882353\)

Final answer: approximately 44960.97