Question: Draw parse trees and abstract syntax trees for the following arithmetic expressions. (30 points) Expr -> expr + term | term Term -> term *

Draw parse trees and abstract syntax trees for the following arithmetic expressions. (30 points)

Expr -> expr + term | term

Term -> term * factor | factor

Factor -> {expr} | number

Number -> number digit | digit

Digit -> 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9

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