Using the grammar for expr on page 32, show the parse tree for 3-(5-9*2+1) where each of the digits (3, 5, 9, 2, 1) is a digit.
Give an unambiguous grammar that generates the same language as the grammar of exercise 2.2c on page 78.
Do exercise 2.5 on page 79.
Do exercise 3.7, parts h and i only, from page 147.