Question: Construct a syntax - directed translation scheme that translates arithmetic expressions form infix notation into prefix notation in which an operator appears before its operands;

Construct a syntax

-

directed translation scheme that translates arithmetic expressions form infix notation into prefix notation in which an operator appears before its operands; e

.

., -

xy is the prefix notation for x

.

Give annotated parse trees for the inputs

9 - 5 + 2

and

9 - 5 * 2 .

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