Question: Insert parentheses where needed so that each expression evaluates to the given number. 1. 7 3 - 4 2; evaluates to 34 2.

Insert parentheses where needed so that each expression evaluates to the given number.
1. 7 · 3 - 4 · 2; evaluates to 34
2. 2 ·8 ÷ - 20; evaluates to -36

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