Order of operations

123456789101112
Across
  1. 2. 6x5+54/6-9+33
  2. 5. 54x2/8-4+12
  3. 7. 9+(8-7)+64/4
  4. 8. 67-12x9/2+32
  5. 10. 5-4+8 x 5
  6. 12. 12/6x(4+8)-7
Down
  1. 1. 65-55+5/1x7-30
  2. 2. 8 x 5+12-4
  3. 3. 64-38+21/3
  4. 4. 48+4-12/2
  5. 6. 16/2x4+6
  6. 7. 7-5+8 x 4
  7. 9. 5 x (6+2)/4
  8. 10. 7x8+4-10
  9. 11. 45-23+36x3/2