Do I just add this up normally?
http://oi41.tinypic.com/nnjxa8.jpg
I don't know what this thing is, or if I need to add the numbers inside of it in a special way.

I'm guessing that the second answer is correct. Am I right?

Question

Do I just add this up normally?
http://oi41.tinypic.com/nnjxa8.jpg
I don't know what this thing is, or if I need to add the numbers inside of it in a special way.

I'm guessing that the second answer is correct. Am I right?

anonymous · Answer

Yes you are right.
You can add the corresponding elements of matrices when they are of the same order.