Multiplication and division crossword puzzle

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Across
  1. 4. 3906 : 9
  2. 5. 278 x 32
  3. 7. 1175 : 5
  4. 9. 6524 : 7
Down
  1. 1. 19 x 55
  2. 2. 124 x 49
  3. 3. 558 x 17
  4. 6. 36 x 27
  5. 8. 2252 : 4