摘要： ![sicp每日一题[2.20]](https://img2024.cnblogs.com/blog/3223467/202409/3223467-20240921114008793-98463270.png)
Exercise 2.20 The procedures +, *, and list take arbitrary numbers of arguments. One way to define such procedures is to use define with dotted-tail n 阅读全文
Exercise 2.20 The procedures +, *, and list take arbitrary numbers of arguments. One way to define such procedures is to use define with dotted-tail n 阅读全文