Maths Crossword

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Across
  1. 2. 13-9=
  2. 4. 9/3=
  3. 6. 5x3=
  4. 10. 21-4=
  5. 12. 5x4=
Down
  1. 1. 7x2=
  2. 3. 4x4=
  3. 5. 9x2=
  4. 7. 32/16=
  5. 8. 4x3=
  6. 9. 33-22=
  7. 11. 8+5=