レタスとキュウリ 豚焼肉 鶏とエビのチリソース(花山椒入り)

listを使用したmake-frameに対する選択子 (define (make-frame origin edge1 edge2) (list origin edge1 edge2)) (define (original-frame frame) (list-ref frame 0)) (define (edge1-frame frame) (list-ref frame 1)) (define (edge2-frame frame) (list-…

(define (make-vect x y) (cons x y)) (define (xcor-vect v) (car v)) (define (ycor-vect v) (cdr v)) (define (add-vect v1 v2) (make-vect (+ (xcor-vect v1) (xcor-vect v2)) (+ (ycor-vect v1) (ycor-vect v2)))) (define (sub-vect v1 v2) (make-vect…