To simplify the expression \((1.1 - 0.3) \div 8 + 4 \times 3\), we follow the order of operations:
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Calculate inside the parentheses: \(1.1 - 0.3 = 0.8\)
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Rewrite the expression with the result: \(0.8 \div 8 + 4 \times 3\)
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Perform division and multiplication from left to right:
- Calculate \(0.8 \div 8 = 0.1\)
- Calculate \(4 \times 3 = 12\)
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Now rewrite the expression: \(0.1 + 12\)
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Perform the addition: \(0.1 + 12 = 12.1\)
The final simplified result is 12.1.