Using the grammar for expr on page 49, show the parse tree for 6+3*(9-5-2) where each of the digits (6, 3, 9, 5, 2) is a digit.
Give an unambiguous grammar that generates the same language as the grammar of exercise 2.2.2c on page 51.
Do exercise 2.2.5 on page 52.
Do exercise 3.3.5, parts h and i only, from pages 125-126.