1. Right-click on the computer desktop, select "New", and then select the "excel" option.

2. Double-click to open it after creation, and then enter 1/3 in this cell, and you will see that the content becomes "1.3".

3. We can select this cell and right-click the "Cell Format" option.

4. Then, select the "Score" option, and the right side of the interface will become the following interface. Select the first item on the right.

5. Click OK, and then re-enter 1/3 in this cell, and successfully enter the score of 1/3 in the original cell.