answer the questions in french

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Across
  1. 3. 47+7=?
  2. 5. the first day of the week?
  3. 8. the month of Christmas?
  4. 10. 45 - 3=?
  5. 11. the cold season?
  6. 13. 50?
  7. 14. blue +yellow
  8. 15. 30 x 2=?
  9. 16. 50+19=?
  10. 17. this color goes well with gold
Down
  1. 1. the month before October?
  2. 2. the first month?
  3. 4. 86 divided by 2
  4. 6. 45+3 =?
  5. 7. 9x2
  6. 9. the day after Monday?
  7. 11. the season of the leaves fall?
  8. 12. red +blue