Addition

1234567
Across
  1. 3. 700001+12003
  2. 4. 321204+408020
  3. 6. 120305+3102
Down
  1. 1. 400101+34430
  2. 2. 230001+710003
  3. 5. 325204+602101
  4. 7. 613007+101002