Maths

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Across
  1. 2. 100*9
  2. 3. 160/2-180/3
  3. 4. 5975*5
  4. 6. 176064-3225
  5. 10. 7010+990
  6. 11. (8888/8)*7+223+(222*4)
  7. 12. 235+235-235
Down
  1. 1. (25+25-50)*1585+(50-25)*20,5+(5*5)*20,5
  2. 5. (852852*5)*0+852852
  3. 6. 2516/2
  4. 7. 1738+2147
  5. 8. 10^2
  6. 9. (392.5*4)/2+(8585-7585-1000)*0
  7. 13. 1000*3,333,