Question: Draw parse trees and abstract syntax trees for the arithmetic expressions by using the grammar described below: (a) ((10)) (b) 1 + 2 * 3

Draw parse trees and abstract syntax trees for the arithmetic

expressions by using the grammar described below:

(a) ((10))

(b) 1 + 2 * 3 + 4 * 7

Grammar for simple integer arithmetic expressions has been provided below:

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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