My SICP Solutions 记录3.5/5途而废的sicp学习: sicp: https://mitpress.mit.edu/sites/default/files/sicp/full-text/book/book.html 答案: http://community.schemewiki.org/?SICP-Solutions 勘误: https://www.math.pku.edu.cn/teachers/qiuzy/books/sicp/errata.htm