Maths

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Across
  1. 2. Seven + two.
  2. 4. Three + five.
  3. 6. Two + one
  4. 7. Two + two.
  5. 8. Five + two.
Down
  1. 1. Three + three.
  2. 3. Ten + one
  3. 5. Five + five
  4. 6. One + one
  5. 7. Two + three.