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The value of the given postfix expression 521 - - 314 + + * is calculated as; 32
<h3>How to solve postfix expressions?</h3>We want to find the value of the postfix expression;
521 - - 314 + + *
We will start from the left most operation symbol.
For every operation symbol, the two integers preceding the operation symbol are the symbols on which the operation needs to be performed. Then we replace the operation symbol with the two following integers by the result of the operation.
Then we repeat for the left most operation symbol in the remaining string.
51 - 3 - 314 + + *
43 1 + *
4 35 + *
4 8 *
This gives 32
Read more about postfix expressions at; brainly.com/question/21497665
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