The problem requires solving mathematical expressions and describing the steps. I will walk through each part of the image to help solve it. Let’s focus on Problem 1 first:

Expression:
$2[5 + 6 \div 2 - (4 + 3)]$

Steps to Solve:

1. Simplify inside parentheses
   Evaluate $(4 + 3)$:
   $4 + 3 = 7$

   The expression now becomes:
   $2[5 + 6 \div 2 - 7]$

2. Division comes next (following the order of operations - PEMDAS/BODMAS)
   Evaluate $6 \div 2$:
   $6 \div 2 = 3$

   Update the expression:
   $2[5 + 3 - 7]$

3. Simplify addition and subtraction inside the brackets
   $5 + 3 = 8$
   $8 - 7 = 1$

   Now, the expression becomes:
   $2[1]$

4. Final multiplication
   Multiply $2 \times 1$:
   $2$

Final Answer:

The value of the expression is 2.

Would you like me to solve the other problems or explain a specific step further?

Here are 5 related questions for practice:

1. What is the result of $3[8 \div 2 - (2 + 4)]$?
2. Why is it important to follow the order of operations when solving expressions?
3. How do parentheses change the priority of calculations in an expression?
4. Solve $4 + 2 \times [6 \div 3]$.
5. If the brackets are removed from $2[5 + 6 \div 2 - (4 + 3)]$, how does the solution change?

Tip: Always solve inside parentheses and brackets first, then handle exponents, division/multiplication, and addition/subtraction in the proper order.