摘要： ![sicp每日一题[2.59]](https://img2024.cnblogs.com/blog/3223467/202410/3223467-20241027090909467-1985705850.png)
Exercise 2.59 Implement the union-set operation for the unordered-list representation of sets. 这道题很简单，仿照 intersection-set 稍作修改就可以实现了 (define (union-se 阅读全文
Exercise 2.59 Implement the union-set operation for the unordered-list representation of sets. 这道题很简单，仿照 intersection-set 稍作修改就可以实现了 (define (union-se 阅读全文