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- (define listaN (cons 1 (cons 2(cons 3(cons 4 empty)))))
- (define (suma-lista lista )
- (+ (first lista)(first (rest lista))
- (first (rest (rest lista)))
- (first (rest(rest (rest lista))))))
- (suma-lista listaN)
- (define (primer-par lista)
- (cond
- [(= (modulo(first lista)2)0) (first lista)]
- [(= (modulo (first (rest lista))2)0) (first (rest lista))]
- [(= (modulo (first (rest (rest lista)))2)0) (first (rest(rest lista)))]
- [(= (modulo (first (rest (rest (rest lista))))2)0) (first (rest (rest (rest lista))))]
- [else "ninguno es digno"]
- )
- )
- (primer-par listaN)
- (define (multiplo7 lista)
- (cond
- [(= (modulo(first lista)7)0) (first lista)]
- [(= (modulo (first (rest lista))7)0) (first (rest lista))]
- [(= (modulo (first (rest (rest lista)))7)0) (first (rest(rest lista)))]
- [(= (modulo (first (rest (rest (rest lista))))7)0) (first (rest (rest (rest lista))))]
- [else "ninguno es multiplo de 7"]
- )
- )
- (multiplo7 listaN)
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