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500×20%=100。 500-100=400。 。 10,(500-10)×20%=98。 500-10-98=392。,30%。

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DCOUNTA function

This article describes the formula syntax and usage of the DCOUNTA function in Microsoft Excel. Counts the nonblank cells in a field (column) of records in a list or database that match conditions that you specify. The field argument is optional. If field is omitted, DCOUNTA counts all records in the database that match the criteria.

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500m10m?

,500 = 500Mbps = 62.5MB/s 。 10MB/s( = 12.5MB/s) 62.5MB/s 。 ? ?,?

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129300M,15G500; 199,60G1000; 5G+WiFi+.,,。,。

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csgo,5001000hz。,,。 FPS,1000Hz,500Hz。

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Excel functions (by category)

Lists all Excel functions by their category, such as Logical functions or Text functions.

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Handling data source errors (Power Query)

Some errors may be easy to fix, some may be transient, and some may be hard to diagnose. What follows is a set of strategies you can take to handle errors that come your way. There are two types of errors that might occur when you refresh data.

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Create a forecast in Excel for Windows

When you create a forecast, Excel creates a new worksheet that contains both a table of the historical and predicted values and a chart that expresses this data. A forecast can help you predict things like future sales, inventory requirements, or consumer trends.

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500 () 250 . .,,1500。 (WTA) (, )1000. p5(、)900

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,2024. : ():500 ()() 1.:100 2.:100 3.:150(,) 4.:150

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Filter data in a range or table

Use AutoFilter or built-in comparison operators like "greater than" and "top 10" in Excel to show the data you want and hide the rest. Once you filter data in a range of cells or table, you can either reapply a filter to get up-to-date results, or clear a filter to redisplay all of the data.

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MATCH function

How to use the MATCH function in Excel to search for a specified item in a range of cells, returning the relative position of that item in the range.

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STOCKHISTORY function

The STOCKHISTORY function retrieves historical data about a financial instrument and loads it as an array, which will spill if it's the final result of a formula. This means that Excel will dynamically create the appropriate sized array range when you press ENTER.

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Look up values with VLOOKUP, INDEX, or MATCH

Here's an example of how to use VLOOKUP. =VLOOKUP (B2,C2:E7,3,TRUE) In this example, B2 is the first argument —an element of data that the function needs to work. For VLOOKUP, this first argument is the value that you want to find. This argument can be a cell reference, or a fixed value such as "smith" or 21,000.

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How to correct a #N/A error in the VLOOKUP function

Solution: You can try to fix this by adjusting your VLOOKUP to reference the correct column. If that's not possible, then try moving your columns.

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Using wildcard characters in searches

Use wildcard characters as comparison criteria for text filters, and when you're searching and replacing content. This feature enables you to find values that share a simple pattern. These characters can be the asterisk (*), the question mark (?), and the tilde (~).

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Filter by using advanced criteria

Boolean logic: ( (Sales > 6000 AND Sales < 6500 ) OR (Sales < 500) ) Insert at least three blank rows above the list range that can be used as a criteria range. The criteria range must have column labels. Make sure that there is at least one blank …

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