4!等于多少 - 百度知道
4！=24。 4！是一个阶乘计算，是计算4的阶乘，具体的计算过程如下： 4！=4x3x2x1=24. 阶乘的计算方法： 当所求阶乘数大于等于1时，用公式n！=nX（n-1）x（n-2）x•••x3x2x1进行计算。 当所求阶乘 …
G1/4螺纹尺寸是多大？_百度知道
Sep 27, 2024 · 在G1/4螺纹中，大径尺寸严格控制在13.157毫米左右，这是保证螺纹连接强度和密封性的基础。 小径则是螺纹的最小直径，与外螺纹牙底或内螺纹牙顶相重合，G1/4螺纹的小径为11.445毫 …
4比3分辨率有哪些 - 百度知道
4比3常见的分辨率有800×600、1024×768（17吋CRT、15吋LCD）、1280×960、1400×1050（20吋）、1600×1200（20、21、22吋LCD）、1920×1440、2048×1536（高端CRT显示器）。 分辨率是 …
October 14, 2025-KB5066133 Cumulative Update for .NET Framework …
The October 14, 2025 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend …
Fix sound or audio problems in Windows - Microsoft Support
Audio issues on your PC can be incredibly frustrating, especially when you're trying to watch a video, attend a meeting, or listen to music. Fortunately, most sound problems can be fixed by following a …
已经连接了打印机怎么添加扫描仪_百度知道
Dec 7, 2024 · 安装完成后，重启计算机并重复步骤3和4。 6. 添加扫描仪后，您可以在“设备和打印机”窗口中看到扫描仪图标。 右键点击图标，选择“扫描仪属性”或“首选项”，可以设置扫描参数和选项。 7. …
Update 4.0.3 for Microsoft .NET Framework 4 – Runtime Update
Introduction Update 4.0.3 for Microsoft .NET Framework 4 is now available. This update includes a set of new features and fixes some bugs, based on top customer requests and the .NET Framework …
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
July 8, 2025-KB5062152 Cumulative Update for .NET Framework 3.5, …
Jul 8, 2025 · 5062068 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server 2019 (KB5062068) How to get this update
Excel help & learning - support.microsoft.com
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.