Mental maths

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Across
  1. 5. two plus one
  2. 6. four times five
  3. 8. twenty plus thirty plus twenty
  4. 10. fifty plus fifty
  5. 11. two divided by four
  6. 12. five plus five
Down
  1. 1. seven plus nine
  2. 2. forty plus twenty plus thirty
  3. 3. ten minus three
  4. 4. fifty plus fourteen
  5. 7. twenty four divided by eight
  6. 9. two times nine