NUMBER THEORY

12345678910
Across
  1. 1. 127-64
  2. 3. 6x53
  3. 4. 2x19-4
  4. 6. 17-6x3+9x8+10
  5. 7. 330x41
  6. 9. 625/5
  7. 10. 464 divided by 8
Down
  1. 2. 3x13-6
  2. 3. 5x8-27divided by 3
  3. 5. The number immediately after forty
  4. 6. 89x9
  5. 8. 74x7