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Question

Accepted Answer

Let's solve the expression step-by-step using the BODMAS rule:

Expression: 21 - [6 + 7 - {3.22 - (1.1 × 0.2)}]

Step 1: Solve the innermost bracket (parentheses):
1.1 × 0.2 = 0.22

Step 2: Substitute back:
3.22 - (1.1 × 0.2) = 3.22 - 0.22 = 3.00

Step 3: Substitute into the curly braces:
{3.22 - (1.1 × 0.2)} = 3.00

Step 4: Now the expression is:
21 - [6 + 7 - 3.00]

Step 5: Calculate inside the square brackets:
6 + 7 = 13
13 - 3.00 = 10.00

Step 6: Substitute back:
21 - [10.00] = 21 - 10 = 11

Final Answer: 11

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