Hard math Wink wink - Isla

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Across
  1. 2. 45÷9=
  2. 3. the answer is four
  3. 5. 4+9=
  4. 8. My fav color?
  5. 10. 2+1=
  6. 11. 31+49=
  7. 15. 3+4=
  8. 17. 81-79=
  9. 18. 87+3=
Down
  1. 1. 120-60=
  2. 4. 2-1=
  3. 6. 4+16=
  4. 7. rhymes with blue and starts with g
  5. 9. 7x10=
  6. 12. I don't know
  7. 13. 25-15=
  8. 14. 2,436,815,438x0=
  9. 16. a cat says this