SICP# E1.1: Evaluate scheme expression

Below is a sequence of expressions. What is the result printed by the interpretter in response to each expression ? Assume that sequence is to be evaluated in the order in which it is presented.

10
                                        ;Value: 10

(+ 5 3 4)
                                        ;Value: 12

(- 9 1)
                                        ;Value: 8


(/ 6 2)
                                        ;Value: 3


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

(define a 3)
                                        ;Value: a

(define b (+ a 1))
                                        ;Value: b

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

(= a b)
                                        ;Value: #f


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

(* (cond ((> a b) a)
         ((< a b) b)
         (else -1))
   (+ a 1))
                                        ;Value: 4

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