Matrix A

Matrix B

Answer

123
456
789
112233
445566
778899
122436
486072
8496108
 

Solution

Matrix addition is the operation where the corresponding elements of two matrices are added to one another.

Therefore, adding each element in matrix A with a corresponding element in matrix B will result in:
 (1 + 11)(2 + 22)(3 + 33)
 (4 + 44)(5 + 55)(6 + 66)
 (7 + 77)(8 + 88)(9 + 99)

Answer:
 
122436
486072
8496108