411 REFERENCE · Wikibooks
Scheme Programming/Numbers and Expressions/Solutions
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Evaluation steps
(* (- 7 (/ 9 3)) (* 10 (- 15 3) (+ 4 2)))
= (* (- 7 3) (* 10 (- 15 3) (+ 4 2)))
= (* 4 (* 10 (- 15 3) (+ 4 2)))
= (* 4 (* 10 12 (+ 4 2)))
= (* 4 (* 10 12 6))
= (* 4 720)
= (* 4 720)
= 2880