NUMBERS CROSSWORD

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Across
  1. 4. 12+7=
  2. 7. 20+30=
  3. 8. 8+4=
  4. 10. 13+70=
  5. 13. 10+3=
  6. 14. 44+21=
  7. 15. 9-5=
Down
  1. 1. 11-6=
  2. 2. 50-49=
  3. 3. 20-12=
  4. 5. 2+0=
  5. 6. 20-9=
  6. 7. 22+22=
  7. 8. 13+13=
  8. 9. 75-4=
  9. 11. 5-2=
  10. 12. 20+12=