Expand: 获取表达式的展开

Wolfram Research (1988)，Expand，Wolfram 语言函数，https://reference.wolfram.com/language/ref/Expand.html （更新于 2023 年）.

Wolfram 语言. 1988. "Expand." Wolfram 语言与系统参考资料中心. Wolfram Research. 最新版本 2023. https://reference.wolfram.com/language/ref/Expand.html.

Wolfram 语言. (1988). Expand. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/Expand.html 年

@misc{reference.wolfram_2024_expand, author="Wolfram Research", title="{Expand}", year="2023", howpublished="\url{https://reference.wolfram.com/language/ref/Expand.html}", note=[Accessed: 10-July-2024 ]}

@online{reference.wolfram_2024_expand, organization={Wolfram Research}, title={Expand}, year={2023}, url={https://reference.wolfram.com/language/ref/Expand.html}, note=[Accessed: 10-July-2024 ]}