simple addition

Edit Answers
123456
Across
  1. 2. 1+1
  2. 4. 5+5
  3. 5. 6+5
  4. 6. 3+4
Down
  1. 1. 2+2
  2. 2. 2+1
  3. 3. 2+3
  4. 4. 4+8
  5. 6. 2+4