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$\"\"$

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The expression is $\"\"$

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$\"\"$ (Replace b, c with 4 and 11)

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$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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The value of the expression is 6.

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