The use of an array of

Figure:

 

First, select the region and click on this fast input 2 =

 

And then select the area of ​​the second selected area *

 

 Finally, it must

 

 It will appear as shown

 

Second, we calculate the total value of the use of an array of ways

First, the cell must be selected in the position of the input data and then 2 = sum (

 

 2. Select an area Area Take another piece of area

 

At last

 

 It appeared to be