ExcelでIF関数を使う方法
IF Function in Excel Tutorial
Excel で「If-Then」ステートメントを作成する : Microsoft Excel 上級編
Excel IF Formula: Simple to Advanced (multiple criteria, nested IF, AND, OR functions)
ExcelでSUMIF関数を使う方法
IF & AND function for multiple conditions in Excel
How to use the SUMIF function in Microsoft Excel
SUMIF Function in Excel Tutorial
COUNTIF function in Excel! #excel
Excel IF関数(複数条件を含む)
Use the countif function to find out how many times something comes up in a table. #excel #countif
Excel Pro-Tip: How to Use SUMIFS
Excel Tutorial - Multiple conditions within an IF function
How to use the SUMIF and SUMIFS Functions in Microsoft Excel for Beginners
IF / ELSE Condition In Excel | Excel Formula