Lilah's Crossword Puzzle

12345678910111213
Across
  1. 1. (3+2+4+1)x4
  2. 3. 2+2
  3. 4. 1+1
  4. 6. 86-9x6
  5. 7. 27+11x4
  6. 9. 21-(12+6)/9
  7. 11. (10x9)-(5x8)
  8. 12. (8-2)x4
  9. 13. 7+(6/3)
Down
  1. 1. 56-22/2
  2. 2. 5x(25-20)
  3. 4. (5x4)+(60x4)
  4. 5. 21+42/7
  5. 8. 19+(5x10)
  6. 10. (60/3)+15