You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
522 B
28 lines
522 B
2 years ago
|
|
||
|
|
Exercise 1.1: Below is a sequence of expressions.
|
||
|
|
What is the result printed by the interpreter in response to each expression?
|
||
|
|
Assume that the sequence is to be evaluated in the order in which it is
|
||
|
|
presented.
|
||
|
|
|
||
|
|
|
||
|
|
10
|
||
|
|
(+ 5 3 4)
|
||
|
|
(- 9 1)
|
||
|
|
(/ 6 2)
|
||
|
|
(+ (* 2 4) (- 4 6))
|
||
|
|
(define a 3)
|
||
|
|
(define b (+ a 1))
|
||
|
|
(+ a b (* a b))
|
||
|
|
(= a b)
|
||
|
|
(if (and (> b a) (< b (* a b)))
|
||
|
|
b
|
||
|
|
a)
|
||
|
|
(cond ((= a 4) 6)
|
||
|
|
((= b 4) (+ 6 7 a))
|
||
|
|
(else 25))
|
||
|
|
(+ 2 (if (> b a) b a))
|
||
|
|
(* (cond ((> a b) a)
|
||
|
|
((< a b) b)
|
||
|
|
(else -1))
|
||
|
|
(+ a 1))
|