摘要： ![sicp每日一题[2.83]](https://img2024.cnblogs.com/blog/3223467/202411/3223467-20241120081014891-1932550145.png)
Exercise 2.83 Suppose you are designing a generic arithmetic system for dealing with the tower of types shown in Figure 2.25: integer, rational, real, 阅读全文
Exercise 2.83 Suppose you are designing a generic arithmetic system for dealing with the tower of types shown in Figure 2.25: integer, rational, real, 阅读全文