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Question
`32 - [43-{51 - (20 - bar(18 - 7))}]`
Sum
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Solution
`32 - [43-{51 - (20 - bar(18 - 7))}]`
= 32 - [43 - {51 - (20 - 11)}]
= 32 - [43 - {51 - 9}]
= 32 - [43 - 42]
= 32 - 1
=31
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Properties of Operations on Integers
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