Addition within 10000

12345678910
Across
  1. 1. 3755+1869=
  2. 3. 7041+97=
  3. 5. 5438+512=
  4. 8. 1420+746=
  5. 9. 4297+540=
Down
  1. 2. 2480+105=
  2. 4. 1346+270=
  3. 6. 8726+476=
  4. 7. 3781+406=
  5. 10. 2043+1846=