simply scheme 第十三章 练习
摘要：
13.13 calls ape pe e13.213.313.4n never reduce to a smaller n13.513.6I know but how to expain 阅读全文
posted @ 2010-07-12 11:18 草头菜 阅读(93) 评论(0) 推荐(0) 编辑
simply scheme 第十二章 练习
摘要：
12.1(define (addup nums) (if (empty? nums) 0 (+ (first nums)(addup (bf nums)))))12.2(define (acronym sent) (if(=(coun... 阅读全文
posted @ 2010-07-12 11:02 草头菜 阅读(103) 评论(0) 推荐(0) 编辑
