# sum 合计 **用法:** ``` =sum(数据区域, [数据区域], ...) ``` **示例:** | | A | B | | ---- | ---- | ---- | | 1 | 122 | | | 2 | 22 | | | 3 | | | *公式:* ``` =sum(A1:A2) ``` *结果:* ``` 144 ```