摘要： ![sicp每日一题[2.1]](https://img2024.cnblogs.com/blog/3223467/202409/3223467-20240907134329828-910596814.png)
Exercise 2.1 Exercise 2.1: Define a better version of make-rat that handles both positive and negative arguments. make-rat should normalize the sign s 阅读全文
Exercise 2.1 Exercise 2.1: Define a better version of make-rat that handles both positive and negative arguments. make-rat should normalize the sign s 阅读全文