Reason: The default number format is normal, so the 0 after the decimal point will be omitted.

1, open any table, as shown in the figure below, with the number 3 (originally 3.0000), as shown in the figure below;

2. Select the cell where the number is located, right-click and select Set Cell Format in the right-click menu, as shown in the figure below;

3. In the cell format menu, set the mathematical format to text, as shown in the figure below;

4. After selection, click OK to return to the editing page, and you can see the original displayed number, as shown in the figure below.