Mathematics Crossword

1234567
Across
  1. 3. 4561-2001
  2. 4. 9560214-1691199
  3. 5. 15684-8434
  4. 6. 875000-418900
Down
  1. 1. 9650-4550
  2. 2. 1056348-887394
  3. 3. 99960-76390
  4. 7. 65468-50836