How do these two values come out of this set of figures 1 15 4 27 91 17 =96\87

How do these two values come out of this set of figures 1 15 4 27 91 17 =96\87


(15+1)-(27+17)/4+91=96
91-〔(15*1)-(27+17)/4〕=87



How to find the difference between the maximum value and the minimum value in a column of data in excel


Suppose the object is A1: a10
=MAX(A1:A10)-MIN(A1:A10)