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TRUNC 函数 - Microsoft 支持
TRUNC 和 INT 的相似之处在于两者都返回整数。. TRUNC 删除数字的小数部分。. INT 根据数字小数部分的值将该数字向下舍入为最接近的整数。. INT 和 TRUNC 仅当作用于负数时才有所不同:TRUNC (-4.3) 返回 -4,而 INT (-4.3) 返回 -5,因为 -5 是更小的数字。.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel 2013