Chapter 1, Building Abstractions with Procedures

Section - The Elements of Programming

Exercise 1.1


Output generated is shown in comment below each statement.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
#lang sicp

10
; 10


(+ 5 3 4)
; 13


(- 9 1)
; 8


(/ 6 2)
; 3


(+ (* 2 4) (- 4 6))
; 6


(define a 3)
; 3


(define b (+ a 1))
; 4


(+ a b (* a b))
; 19


(= a b)
; #f


(if (and (> b a) (< b (* a b)))
       b
       a
)
; 4
 

(cond ((= a 4) 6)
      ((= b 4) (+ 6 7 a))
      (else 25))
; 16
       

(+ 2 (if (> b a) b a))
; 6


(* (cond ((> a b) a)
         ((< a b) b)
         (else -1))
   (+ a 1))
; 16