摘要： ![sicp每日一题[2.30]](https://img2024.cnblogs.com/blog/3223467/202409/3223467-20240927081350110-1693270007.png)
Exercise 2.30 Define a procedure square-tree analogous to the square-list procedure of Exercise 2.21. That is, square-tree should behave as follows: ( 阅读全文
Exercise 2.30 Define a procedure square-tree analogous to the square-list procedure of Exercise 2.21. That is, square-tree should behave as follows: ( 阅读全文