Crossword

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Across
  1. 4. [(18x3)+7]-29
  2. 6. 20x5-8+24
  3. 8. 1000000-9999997+12-12+3-3
  4. 9. (50-17)x2-(15-2)
  5. 12. 5x50+25-75-199+3-3+57-50
  6. 13. (6+7+(6+7)+(6+7)+41
  7. 14. 12+7x(9-2)
Down
  1. 1. 4+(3×5²)-12
  2. 2. 50x2-50+150-100+75-75
  3. 3. 10x7-20+5-40-1
  4. 5. 21x2-2+9-30-0
  5. 7. 7x7-(6/2)+4+44-1
  6. 10. (5x5)+(5x5)+92-4+8-1000
  7. 11. 200-100-98+100-100+90-91
  8. 15. [(20-5)-10]+3-2+100-97