A 
[[1,3,5]
 [2,4,6]
 [3,5,7]]

 B 
[[0,-1,-2]
 [1,0,-1]
 [2,1,0]]

 abs(B+B) = 
[[0,2,4]
 [2,0,2]
 [4,2,0]]

 A+10*B = 
[[1,-7,-15]
 [12,4,-4]
 [23,15,7]]

 Abs(A+10*B) = 
[[1,7,15]
 [12,4,4]
 [23,15,7]]

 Max(A,10*B)
[[1,3,5]
 [10,4,6]
 [20,10,7]]