中国教程网zhangditony翻译，转载请保留此信息 .
1. Select the range of cells along with an empty cell in a vertical or horizontal direction.
2. Press "ALT+ ="OR
Click the AutoSum icon(∑).
The SUM formula is added to the empty cell.
2. Press "ALT+ ="OR
Click the AutoSum icon(∑).
The SUM formula is added to the empty cell.
