Problem Description & Analysis:

We have a statistical table for daily sales of January 2022:

Now we want to find out the day with the largest sales and the sales of 5 days before and after this day.

Solution:

Enter the following formula in cell C2 to get the day with the largest sales:
=spl("=E(?1).pmax(Sales)",A1:B32)
The returned result is 12.

Next, find out the sales of 5 days before and after the day with the largest sales:
=spl("=E(?1).to(?2–5,?2+5)",A1:B32,C2)
As shown in the picture below:

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