NUMBER

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Across
  1. 4. nine + ty - e=
  2. 5. twelve times four plus two
  3. 8. three plus nine
  4. 10. 11x7+3=
  5. 11. 8x9-2=
Down
  1. 1. fifteen times three minus five
  2. 2. one plus two zero
  3. 3. 12x5=
  4. 6. twelve plus eight
  5. 7. thirteen plus seventeen
  6. 9. seven plus four