<cl> (sigma #'(lambda (x) x) 0 #'1+ 10) 55 <cl> (sigma #'(lambda (x) (* x x)) 0 #'1+ 10) 385 <cl> (sigma #'(lambda (x) (* x x x)) 0 #'1+ 10) 3025
<cl> (scheme-interpreter) ==> (letrec ((x car) (y x)) (y '(a b c))) ==> ((lambda (x) (let ((x 1) (y x)) (list x y))) 2) ==> ((lambda (x) (letrec ((x 1) (y x)) (list x y))) 2) ==> ((lambda (x) (let* ((x 1) (y x)) (list x y))) 2) ==> ((lambda (y) (letrec ((x (lambda (x) (list x))) (y 1)) (x y))) 2)各答えはどうなるか、答えよ。