excel 的sumif 公式
    英文回答：
    Sumif formula in Excel is used to add up the values in a range based on a specific criteria. It allows you to perform conditional summing in your spreadsheet. The formula takes three arguments: range, criteria, and sum_range.
    The range argument specifies the range of cells that you want to evaluate for the given criteria. This can be a single column or row, or a combination of both. For example, if you want to sum the values in column A based on a certain condition, you would specify A:A as the range.
    The criteria argument is the condition that you want to apply to the range. This can be a number, text, logical expression, or a cell reference. For instance, if you want to sum the values in column A that are greater than 10, you would enter ">10" as the criteria.
    The sum_range argument is the range of cells that you want to add up if the corresponding
cells in the range meet the criteria. This can be the same as the range argument, or a different range. For example, if you want to sum the values in column B corresponding to the cells in column A that meet the criteria, you would specify B:B as the sum_range.
    Here's an example to illustrate how the Sumif formula works. Let's say you have a table with two columns: "Product" and "Sales". You want to calculate the total sales for a specific product. You can use the Sumif formula to achieve this.
    Assuming the product names are listed in column A and the sales figures are listed in column B, you can use the following formula:
    =SUMIF(A:A, "Product A", B:B)。
    This formula will sum up all the sales figures in column B where the corresponding cells in column A match the criteria "Product A".
    中文回答：
excel公式不显示结果    Excel中的Sumif公式用于根据特定条件对范围内的值进行求和。它允许您在电子表格中执行条件求和。公式有三个参数，范围、条件和求和范围。
    范围参数指定要根据给定条件进行评估的单元格范围。这可以是单个列或行，也可以是两者的组合。例如，如果您想根据某个条件对列A中的值进行求和，您将指定A:A作为范围。
    条件参数是要应用于范围的条件。这可以是数字、文本、逻辑表达式或单元格引用。例如，如果您想求和大于10的列A中的值，您将输入">10"作为条件。
    求和范围参数是在范围中满足条件的相应单元格的求和范围。它可以与范围参数相同，也可以是不同的范围。例如，如果您想对满足条件的列A中的单元格对应的列B中的值进行求和，您将指定B:B作为求和范围。
    以下是一个示例，以说明Sumif公式的工作原理。假设您有一个包含两列的表格，“产品”和“销售额”。您想计算特定产品的总销售额。您可以使用Sumif公式来实现这一目标。
    假设产品名称列在A列中，销售额列在B列中，您可以使用以下公式：
    =SUMIF(A:A, "产品A", B:B)。
    该公式将对满足条件“产品A”的列A中的相应单元格，求和列B中的所有销售额。

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