If the Postorder Traversal of an Expression Tree Is 8

question 64

Multiple Choice

If the postorder traversal of an expression tree is 8, 2, +, 5, /, what is the preorder traversal?

• A) +, /, 8, 2, 5
• B) /, +, 8, 2, 5
• C) 8, +, 2, /, 5
• D) /, +, 2, 8, 5