换言之，在符合条件时，您希望公式对该列中的数字求和。 该单元格区域是此公式中的第一个 参数-函数需要作为输入的第一段数据。 接下来，要查找满足两个条件的数据，因此，通过为函数指定数据的位置 (A2：A11) 以及条件是什么（即“南”）来输入第一个

无论你是即将毕业还是转学，都可以将你最宝贵的 Web 信息检索、收藏夹、密码等从学校帐户迁移到个人帐户。 移动集锦 无论你是在购物、规划行程还是收集研究笔记或课程计划，集锦都能帮助你在网络上跟踪你的想法。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

可选： 若要自定义将指针停留在超链接上时显示的屏幕提示，请单击“插入超链接”对话框右上角的“屏幕提示”，然后输入所需的文本。 也可以通过在文档中键入地址来创建指向空白电子邮件的超链接。 例如，键入 someone@example.com，Microsoft 365 会为你 (创建超链接，除非你 ) 关闭了超链接的自动 ...

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

有时，重置 Microsoft OneDrive 可解决同步问题和重置所有OneDrive 设置。 OneDrive 将在重置后执行完全同步。 了解如何操作。 取消链接 OneDrive 如果你仍然遇到问题，取消链接电脑并将其重新连接到 OneDrive 可以帮助解决一些同步问题。