可以使用 简单的公式对) 一组单元格 (区域中的数字求和，但在处理多个数字时 ，sum 函数 更易于使用。 例如，=sum (a2：a6) 出现键入错误的可能性小于 =a2+a3+a4+a5+a6。 下面是使用两个单元格区域的公式： =sum (a2：a4，c2：c3) 对区域 a2：a4 和 c2：c3 中的数字求和。 可按 enter 获取总计 39787。

Need help with an Xbox console, an Xbox game or Xbox network? Find out how to get in touch with us.

Family members. Family members are all ages and can share important information with organizers, such as their locations or screen time. They can also request purchase approvals or ask for more time on their devices easily through their Family Safety app.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

Unplug the network cable from the back of your console. Inspect the cable’s connector and the Xbox console’s socket to make sure that they are clean and free of debris.

下面是安装或管理字体的两种方法： 所有字体都存储在 C:\Windows\Fonts 文件夹中。 （可选）只需将字体文件从提取的文件文件夹拖动到此文件夹中即可添加字体。

If you want to make a different console your home Xbox: Press the Xbox button on your controller to open the guide.; Select Profile & system > Settings > General > Personalization, and then select My home Xbox.; Do either of the following to change the status of your console: To make this your home Xbox, select Make this my home Xbox.; To remove this console as your home Xbox, select Make this ...

Creating an online account usually involves entering your information into a form containing multiple fields, such as name, email address, date of birth, password, and more.

重要: 在选择从媒体启动之前，应验证设备是否满足最低系统要求，因为满足后才允许安装 Windows 11，如果你至少具有 TPM 1.2（而不是最低系统要求的 TPM 2.0），它将不会根据处理器的系列和模型验证处理器是否在批准的 CPU 列表上。