6789=Sum(A1:D1)
78910=Sum(A2:D2)
891011=Sum(A3:D3)
9101112=Sum(A4:D4)
10111213=Sum(A5:D5)
11121314=Sum(A6:D6)
12131415=Sum(A7:D7)
13141516=Sum(A8:D8)
14151617=Sum(A9:D9)