SICP 全笔记

Exercise 1.2. Translate the following expression into prefix form.

(/ (+ 5 4 (- 2 (- 3 (+ 6 (/ 4 5)))))
   (* 3 (- 6 2) (- 2 7)))

$$ \frac{5 + 4 + (2 - (3 - (6 + \frac 45)))}{3 \times (6 - 2) \times (2 - 7)}$$