https://file.aiquickdraw.com/mathbot/file/1728385601905aw36dnaw.jpg

From the image, I see two mathematical problems that involve working with integers and parentheses. I'll walk you through solving both.

1. **Problem (3)**: \((-1200) - (-378 - 1199)\)
   - First, simplify the expression inside the parentheses:
     \[
     -378 - 1199 = -1577
     \]
   - Now, the problem becomes:
     \[
     -1200 - (-1577)
     \]
   - Subtracting a negative is the same as adding:
     \[
     -1200 + 1577 = 377
     \]
   - So, the solution to this is:
     \[
     377
     \]

2. **

Learn how to solve integer operations with parentheses, focusing on subtraction of negative numbers. This problem covers simplification of parentheses and the arithmetic rules of negative integers. Suitable for students in Grades 6-8.

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