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ç´ æ°è¨ç®ãé«éåãããã®ããã©ã¼ãã³ã¹ã測å®ããnextã使ãé«éåãããã¼ã¸ã§ã³ (define (prime? n) (= n (smallest-divisor n))) (define (smallest-divisor n) (find-divisor n 2)) (define (find-divisor n test-divisor) (cond ((> (square test-divâ¦