Can you solve the equations?

Edit Answers
12345678910111213
Across
  1. 3. 10 x 362538
  2. 5. 7000 + 700 + 70 + 7
  3. 8. 100 - 50
  4. 9. 10 x 46374
  5. 12. 900 + 90 + 9
  6. 13. 1000 - 500
Down
  1. 1. 189 + 183
  2. 2. 10000 - 5000
  3. 4. 17 + 49
  4. 5. 900 - 151
  5. 6. 10 x 754
  6. 7. 3 x 9
  7. 8. 75-25
  8. 10. 437 - 173
  9. 11. 400 + 56