Bobby and Brandon's Crossnumber

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Across
  1. 2. (10-5)*40+660
  2. 4. (8^2)-8+4
  3. 5. (8.6-4.6)x23
  4. 8. (5.5x12)
  5. 9. (6^3)+16+7201-1
  6. 11. (50x0.5)x16+5
  7. 12. (7x10)+30-10
  8. 13. (6^2)+85-10+(100*0.5)
  9. 15. ((19-10)+7))*180
Down
  1. 1. (88-77)*4+39-33
  2. 3. (12^2)+695-19
  3. 4. (99-4^2))-23+678-79+1
  4. 5. (7-6)x0.5x200+55-5
  5. 6. ((9-13)+104)x2.58
  6. 7. (11^2)-80+7.5+5.5
  7. 9. (0.5*500)+402+99-1
  8. 10. (11-2)*100(888-444)
  9. 14. (9.1x10)+35