If the values of A, B, C, and D are 3, 1, 2, and 4, respectively,...

Question

Question

If the values of A, B, C, and D are 3, 1, 2, and 4, respectively, manually calculate the value of the following postfix expression: (show your work)

a. + - * A B C D

b. - * A + B C D

engineering Computer-Science

Answer 1

Answer #1

a. 
+ - * A B C D
= + - * 3 1 2 4
= + - 3 2 4
= + 1 4
= 5

b. 
- * A + B C D
= - * 3 + 1 2 4
= - * 3 3 4
= - 9 4
= 5

Answer 2

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