Question

4. Write the prefix and postfix expression for A=(20+(-5)*6+12). Also convert the

Answer 1

Answer:

Prefix expression: + - * 20 5 6 + 12 A

Postfix expression: 20 5 - 6 * + 12 + A

Step-by-step explanation:

From the above question,

They have given :

Prefix and postfix expressions are two ways of writing an arithmetic expression.

In a prefix expression, operations are written before the operands, while in a postfix expression, operations are written after the operands. Prefix expressions use a stack to evaluate the expression, while postfix expressions use a queue.

The advantage of using postfix expressions is that it eliminates the need for parentheses, making the expression easier to read and evaluate.

In this example,

The prefix expression is + - * 20 5 6 + 12 A,

Which translates to ((20 + ((-5) * 6)) + 12) A.

The postfix expression is 20 5 - 6 * + 12 + A,

Which translates to (20 + ((5 - 6) * 12)) + A.

Prefix expression: + - * 20 5 6 + 12 A

Postfix expression: 20 5 - 6 * + 12 + A

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