(define a 1)
(define b 2)
(+ a b 3)
(- a b 3)
(* a b 3)
(/ a b 3)
居然能显示1/6,是竖直的哦
(define (f a) (+ a a))
(f 3)
(f (+ 3 4))
6
14
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(define a 1)
(define b 2)
(+ a b 3)
(- a b 3)
(* a b 3)
(/ a b 3)
居然能显示1/6,是竖直的哦
(define (f a) (+ a a))
(f 3)
(f (+ 3 4))
6
14
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