\"\"

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The expression is \"\".

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a.

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Place the parentheses in the expression so that the value of it is \"\".

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Place the parentheses around \"\".

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Thus, \"\".

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Check the solution by evaluating the expression.

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First operation is evaluate inside of the parenthesis

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\"\"              (Subtract: \"\")

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Next operation is division.

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\"\"                    (Divide: \"\")

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Next operation is addition.

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\"\"                          (Add: \"\")

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Therefore, the new expression is \"\".

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\"\"

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b.

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Place different parentheses in the expression to find an answer other than \"\".

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Thus, \"\".

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Check the solution by evaluating the expression.

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First operation is evaluate inside of the parenthesis

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\"\"              (Divide: \"\")

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Next operation is subtraction.

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

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Next operation is addition.

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\"\"                          (Add: \"\")

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Therefore, the new expression is \"\".

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\"\"

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a. The placed the parentheses and the new expression is \"\".

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b. The placed the parentheses and the new expression is \"\".