\"\"

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The expression is \"\".

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The values are \"\" and \"\".

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Solve the expression.

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\"\"          (Substitute \"\" and \"\")

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        \"\"            (Substitution: \"\")

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         \"\"                (Multiplication: \"\")

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Therefore, the value of expression \"\" is \"\".

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\"\"

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The value of expression \"\" is \"\".