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.

Course web site: http://www.gustavus.edu/+max/courses/S2006/MCS-388/

Instructor: Max Hailperin <max@gustavus.edu>