sicp exercise 1.1

;  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))

10
12
8
3
6


19
#f
4
16
6
16